1/2" Female STAR Socket E18
Chrome vanadium alloy steel
polished, chrome plated
4 ball retaining grooves
For torx external screws
Chrome vanadium alloy steel
Polished, chrome plated
: E18
D1 (mm): 20.5
D2 (mm): 23.8
l (mm): 12.5
L (mm): 39
Weight (g): 72