BLOCKS  —  Classic Dinghy Blocks
Photo of Classic Dinghy Blocks A.278-74
Classic Dinghy Blocks

38mm single + Inglefield clip

The Allen classic nylon sheet blocks can be used in a number of applications.  Available either with a plain bearing system or ball bearing system, they have been adopted by the  Laser class as the block of choice for use on the mainsheet system.

Where to Buy Allen

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Part Description Length
mm
Line
Size mm
Breaking Load SWL
kg
Weight
g
A.178 29mm single 48 8 250 140 13
A.178BB 29mm single ball bearing 48 8 250 150 24
A.178-74 29mm single + Inglefield clip 69 8 250 140 23
A.178-74BB 29mm single ball bearing with Inglefield clip 69 8 250 140 32
A.278 38mm single 66 10 300 155 36
A.278BB 38mm single ball bearing 66 10 300 155 50
A.278-74 38mm single + Inglefield clip 86 10 300 155 45
A.278-74BB 38mm single ball bearing with Inglefield clip 86 10 300 155 56
A.378 38mm single + becket 85 10 300 155 38
A.378BB 38mm single ball bearing with becket 85 10 300 155 55

 

 

 

 

 

 

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