Blcok single plain bearing black 30mm
Allen
Article number :  A178
The Allen plain bearing all nylon sheet blocks can be used in a number of applications. They have been adopted by the Laser class as the block of choice for use on the mainsheet system.
Sheave Diameter 29mm
Length 48mm
Maximum Line Size 8mm
Beaking Load 250Kg
Maximum Working Load 140Kg
Weight 13g