ATD Tools 4353 1/2 Drive Spherical Thin Wall Deep Impact Socket Set, 3pc

Patented spherical spline design works on (6) different fastener types: Spline, 6-Point, 12-Point, Star, Square, and 50% Rounded off heads. Manufactured using quality Chrome Molybdenum alloy steel for high-torque and durability. Color-coded protective sleeves for easy identification and helps to prevent damage to custom wheels. Set contains:17mm / 11/16″ (Blue)19mm / 3/4″ (Red) 21mm / 13/16″ (Green)