<ul><li>Sockets are made from heat-treated alloy steel for extreme torque applications</li><br /><li>Black oxide coated to resist corrosion for longer socket life</li><br /><li>High strength 6-point drive sockets for extreme torque applications</li><br /><li>Sockets are ideal for use with impact drivers, impact wrenches and ratchets</li><br /><li>Includes 6mm, 7mm, 8mm, 10mm, 11mm, 12mm, 13mm Impact Sockets and 1/4 Drive x 1/4" Hex Shank Socket Adapter</li></ul>"