This handy 3/8-in drive deep impact set is great to have on hand when you need an impact socket for that occasional heavy duty job. This set is intended for use with an impact tool to provide maximum installation of heavy duty fasteners Metric deep impact socket sizes include 8, 10, 11, 12, 13, 14, 17 and 19mm This set also includes two 3/8x1/4-in drill adapters 6-point sockets help prevent slippage and stripping of fastener Durable, black-oxide finish Meets or exceeds ASME specifications Hassle-free lifetime guarantee CA Residents: Prop 65 WARNING(S) Case Type: N/A (no case) Deep Socket(s) Included: Yes Points: 6-point Drive Size: 3/8-in Finish: Black oxide Intermediate Socket(s) Included: No Measure Type: Metric Shallow Socket(s) Included: No Spark Plug Socket(s) Included: No Total Number of Pieces: 10 Universal: No Material: Steel Socket Size: Set Socket Depth: Deep Set/Individual: Set Flip Socket: No Weight (lbs.): 3.44 CA Residents: Prop 65 Warning(s): Yes