Ko-ken Tools 1/4 Sq. Dr. Semi-Deep NUT GRIP® Socket 9mm Spark Plug Sockets because with the KL-5501 B

because with the KL-5501 B you tension the spring via the upper spring plate against the lower one

heavy type

Knight Global Torque Tubes - KG ATA4500

MicroFinish XHeavy Duty Sl/Ph 8Pc Set is available to order online

Ko-ken Tools 1/4 Sq. Dr. Semi-Deep NUT GRIP® Socket 9mm Spark Plug Sockets because with the KL-5501 BNut Grip, drive, Semi Deep, Chrome Hand Sockets. NUT GRIP is Ko ken's special design for non magnetic nuts bolts to be held firmly in a 6 point socket. The design consists of two balls held in place by a spring steel ring. Input Drive Size: 1 4" Drive Shape: Square Length: 32mm Type: Semi Deep Nut Grip Socket Output Size: 9mm