Discount Marine Source

The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patentened bearing system uses stainless stell balls in a captive grooved race and has a 250 lb (113kg) safe working load, the highest on the market compared to similarly sized blocks. Used for Dinghy control lines, Big Boat leach lines, Downhauls, Traveler controls, Spinnaker pole trip lines, Outhauls, Cunninghams, & Halyards on prams.

16mm Ball Bearing Blocks

16mm Blocks

Harken, 16 mm Air Block w/Becket, 405

Regular Price: $14.70
On Sale For: $12.50

Part # HAR-405

Manufacturer Part # 405

Description: Single/becket

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 1 1/2

Length (mm): 38

Weight (oz): .44

Weight (g): 12

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 250

Max. working load (kg): 113

Breaking load (lb): 1200

Breaking load (kg): 544

Quantity:

Harken, 16 mm Air Block with O Ring, 404

Regular Price: $12.85
On Sale For: $10.92

Part # HAR-404

Manufacturer Part # 404

Description: Single

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 1 1/8

Length (mm): 29

Weight (oz): .33

Weight (g): 10

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 250

Max. working load (kg): 113

Breaking load (lb): 1200

Breaking load (kg): 544

Quantity:

Harken, 16 mm Double Air Block w/Becket , 407

Regular Price: $29.20
On Sale For: $24.82

Part # HAR-407

Manufacturer Part # 407

Description: Double/becket

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 2 1/8

Length (mm): 54

Weight (oz): 1

Weight (g): 28

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 450

Max. working load (kg): 204

Breaking load (lb): 1200

Breaking load (kg): 544

Quantity:

Harken, 16 mm Double Air Block, 406

Regular Price: $26.70
On Sale For: $22.70

Part # HAR-406

Manufacturer Part # 406

Description: Double

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 1 11/16

Length (mm): 43

Weight (oz): .94

Weight (g): 27

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 450

Max. working load (kg): 204

Breaking load (lb): 1200

Breaking load (kg): 544

Quantity:

Harken, 16 mm Triple Air Block w/Becket , 409

Regular Price: $39.70
On Sale For: $33.75

Part # HAR-409

Manufacturer Part # 409

Description: Triple/becket

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 2 1/4

Length (mm): 57

Weight (oz): 1.5

Weight (g): 43

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 700

Max. working load (kg): 318

Breaking load (lb): 1200

Breaking load (kg): 544

Quantity:

Harken, 16 mm Triple Air Block, 408

Regular Price: $37.70
On Sale For: $32.05

Part # HAR-408

Manufacturer Part # 408

Weight (oz): 1.44

Weight (g): 41

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 700

Max. working load (kg): 318

Breaking load (lb): 1200

Breaking load (kg): 544

Description: Triple

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 1 13/16

Length (mm): 46

Quantity:

Harken, 16mm Anti-Capsize Block, 442

Regular Price: $19.35
On Sale For: $16.45

Part # HAR-442

Manufacturer Part # 442

Description: Block/eyestrap assembly

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 1 3/8

Length (mm): 35

Weight (oz): .44

Weight (g): 12

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 250

Max. working load (kg): 113

Breaking load (lb): 1200

Breaking load (kg): 544

Hole spacing (in): 1 1/16

Hole spacing (mm): 27

Quantity:

Harken, 16mm Cheek Air Block, 416

Regular Price: $14.85
On Sale For: $12.62

Part # HAR-416

Manufacturer Part # 416

Description: Cheek*

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 1 13/16

Length (mm): 46

Weight (oz): .44

Weight (g): 12

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 250

Max. working load (kg): 113

Breaking load (lb): 1200

Breaking load (kg): 544

Quantity:

Harken, 16mm Exit Block, 421

Regular Price: $35.70
On Sale For: $30.35

Part # HAR-421

Manufacturer Part # 421

Description: Thru-deck

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 2 3/8

Length (mm): 60

Weight (oz): .63

Weight (g): 18

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 250

Max. working load (kg): 113

Breaking load (kg): 1200

Breaking load (lb): 544

Quantity:

Harken, 16mm Eyestrap, 445

Regular Price: $1.40
On Sale For: $1.19

Part # HAR-445

Manufacturer Part # 445

H (mm): -

Fits T-track (mm): -

Fasteners (in): #8 RH

Fasteners (mm): 4

Quantity:

Harken, 16mm Flip Flop Block, 437

Regular Price: $33.85
On Sale For: $28.77

Part # HAR-437

Manufacturer Part # 437

Description: Flip-flop block

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 1 5/16

Length (mm): 34

Weight (oz): .75

Weight (g): 21

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 250

Max. working load (kg): 113

Breaking load (lb): 1200

Breaking load (kg): 544

Quantity:

Harken, 16mm Forkhead Block, 376

Regular Price: $18.25
On Sale For: $15.51

Part # HAR-376

Manufacturer Part # 376

Description: Forkhead

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 1 1/8

Length (mm): 29

Weight (oz): .38

Weight (g): 11

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 250

Max. working load (kg): 113

Breaking load (lb): 1200

Breaking load (kg): 544

Quantity:

Harken, 16mm Hook-in/Sprit Block, 391

Regular Price: $25.65
On Sale For: $21.80

Part # HAR-391

Manufacturer Part # 391

Weight (g): 13

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 250

Max. working load (kg): 113

Breaking load (lb): 400

Breaking load (kg): 181

Description: Hook-in halyard

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 1 5/8

Length (mm): 41

Weight (oz): .5

Quantity:

Harken, 16mm In-Line Exit Block, 368

Regular Price: $49.10
On Sale For: $41.74

Part # HAR-368

Manufacturer Part # 368

Description: In-line exit*

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 3

Length (mm): 76

Weight (oz): .94

Weight (g): 27

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 250

Max. working load (kg): 113

Breaking load (lb): 1200

Breaking load (kg): 544

Quantity:

Harken, 16mm Narrow Block, 467

Regular Price: $14.65
On Sale For: $12.45

Part # HAR-467

Manufacturer Part # 467

Max. working load (lb): 250

Max. working load (kg): 113

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Max. line dia. (in): 5/32

Max. line dia. (mm): 4

Description: 16 mm Narrow ferrule head

Breaking load (lb): 750

Breaking load (kg): 339

Length (in): 1 15/32

Length (mm): 37

Weight (oz): .44

Weight (g): 12

Quantity:

Harken, 16mm Pivoting Cheek Air Block, 432

Regular Price: $16.05
On Sale For: $13.64

Part # HAR-432

Manufacturer Part # 432

Max. line dia. (mm): 5

Max. working load (lb): 250

Max. working load (kg): 113

Breaking load (lb): 750

Breaking load (kg): 339

Description: Pivot cheek block

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 1 3/8

Length (mm): 35

Weight (oz): .38

Weight (g): 11

Max. line dia. (in): 7/32

Quantity:

Harken, 16mm Sheave , 415

Regular Price: $9.00
On Sale For: $7.65

Part # HAR-415

Manufacturer Part # 415

Line (in): 3/16

Line (mm): 5

Center pin dia. (in): 3/16

Center pin dia. (mm): 4.75

Max. working load (kg): 113

Description: 16 mm

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Width (in): 5/16

Width (mm): 8

Weight (oz): .13

Weight (g): 4

Max. wire dia. (in): -

Max. wire dia. (mm): -

Max. working load (lb): 250

Quantity:

Harken, 16mm Swivel Air Block, 417

Regular Price: $23.10
On Sale For: $19.64

Part # HAR-417

Manufacturer Part # 417

Description: Single/swivel**

Sheave dia. (in): 5/8

Sheave dia. (mm): 16

Length (in): 1 13/16

Length (mm): 46

Weight (oz): .63

Weight (g): 18

Max. line dia. (in): 7/32

Max. line dia. (mm): 5

Max. working load (lb): 250

Max. working load (kg): 113

Breaking load (lb): 750

Breaking load (kg): 339

Quantity:

Harken, Dinghy Clew Hook w/16mm Air Block, 394

Regular Price: $26.45
On Sale For: $22.48

Part # HAR-394

Manufacturer Part # 394

Description: Dinghy Clew Hook with 404 Block

Weight (oz): 1.00

Weight (g): 28.4

Quantity: