LTI 4400 1/2" Drive 6 Piece Twist Socket Removal Kit - Twist Sockets have a fluted design which give the sockets a tight grip to remove the most difficult fasteners. Simply place the twist socket on and twist the damaged fastener off - it’s that easy. No more pounding, chisels or torches. Safe and fast removal of damaged fasteners and easy removal of the fastener from the twist socket. Available in 1/4”, 3/8” & 1/2” drive sizes.