Shop all Unior | Shop all Allen Keys & Wrenches
It's a hex bit socket. It has a 3/8" square drive. Those are the basics.
More specifically, the bit itself is made from premium carbon steel, while the socket part is of chrome-vanadium. The entire tool is hardened and tempered and manufactured to DIN 7422 standards.
365 DAY RETURNS
Its OK to change your mind!
OUR CUSTOMERS LOVE US
4.8 Satisfaction Rating from Shopper Approved.
WE ARE EXPERTS
selling only the best cycling gear since 1986