1/4-In and 3/8-in drive hex driver socket set contains metric sizes 3, 4, 5, 6, 7, 8 and 10 mm Extended-length shaft and ball feature provide easier access to restricted work spaces Ball end allows up to 25° of pivot Constructed of chrome vanadium steel and heat treated for strength and durability Hard-stamped size callouts make socket identification simple Professional grade high-polish finish Hassle-free lifetime guarantee Finish: Polished chrome Sub-Brand: N/A Bit Size: Set Drive Size: 1/4-in; 3/8-in Bit Type: Hex Case Type: N/A (no case) Material: Steel Measure Type: Metric Set/Individual: Set Total Number of Pieces: 7 Universal: No Warranty: Lifetime CA Residents: Prop 65 Warning(s): Yes UNSPSC: 27111700