OTC 1921 6 point LOCK NUT 3/4″ DRIVE SOCKET 2-1/2″ Description:6-pt. Locknut Socket • This high-grade truck wheel bearing locknut socket is made of high-strength steel.• NOTE: Sockets are designed for use with 3/4″ square-drive manual tools only. Impact tool use voids sockets’ warranty.• Opening size (6 pt.) 2-1/2″ Click Here. Double your traffic. Get Vendio Gallery – Now FREE!