The hook type snatch is adopted. It corresponds to the quick opening / closing operation of the snatch.
Safety latch is attached to hook.
*Materials:Special Stainless Steel, Sheave: SCS13 (equivalent to SUS304)
Swivel/Side plate/Sheave pin/set screw with a hexagon hole: SUS304
*Oil impregnated bushing: bronze
*Safety working load is set variously in each country.
Our blocks safety working load is decided around from 1/8 to 1/10 of their breaking load.
(The size 150 of this block is decided around from 1/6 -1/7 of breaking load.)