SK Hand Tool 45954 - Hex Key Socket 4mm Long 3/8" Drive

Easy Bit Replacement

• Bit holders feature a handy through-hole design that makes it easier to replace work or broken bits. You can pop the old bit out and quickly insert a new replacement bit.

High Strength, S2 Steel Bits

• Bits are manufactured to rigid standards, using high strength S2 steel for extended tool life.

Extra Strong Bit Holder Design

• Has at least nine times more bit holding strength. This extra strength with the new design helps prevent the bit from slipping out of the socket while working.

Made In The U.S.A.