Draper expert 15 piece 1 2 square drive hi torq metric deep impact sockets draper expert 54650 b i expert quality i b 6 point sockets and accessories forged from chrome vanadium steel hardened tempered and chemically blacked for corrosion protection hole for accessory spring loaded ball for use with air electric or manual impact wrenches packed in sturdy steel case br br b b br br draper expert hi torq 174 is a registered trademark of draper tools ltd draper expert 5465