... F CLAMP (50 TYPE HEAVY DUTY) A3 steel bar wood handle, carbon steel screw size: 50x100mm-50x300 YP -EU-05350x10050pcs15/14kgs42x18x17 ... arms, the plated plain/concave A3 steel bar, the wood/plastic handle, the plated/black process Carbon Steel Screw.This style ... labor. It is widely used in many fields furniture manufacture, wood making, metal industry, mechanical industry, architecture and ship-building ...