Innovative X6 design of the socket allows you to grip 6 different types of fasteners
Able to work on the following types of fasteners: Hex, Square, 12pt., External Torx, Partially rounded hex and Spline
Every Pass-Thru socket replaces one standard and one deep socket

99-piece black chrome and laser etched socket set meets or exceeds ANSI standards for sockets and ratchets
Max-Drive design provides 15% more torque
Black chrome offers sharper appearance and better Slip Resistant,corrosion resistance