Gearwrench 15Pc 1 4 inch & 3 8 inch Dr Bolt Biter Set ENI41625 10P Hose size mm (in Colour:Wall Chasers Hose size mm (in Jaw height: 27 or pliers Chrome molybdenum alloy steel (Cr Mo) for exceptional strength and long lasting durability High visibility laser etched markings provide quick size identification Black oxide finish to resist corrosion Up to 10x longer impact life vs 84783 GEARWRENCH 84783 15pce 1 4 in & 3 8 in Drive BOLT BITER Metric SAE Impact Extraction Socket Set Includes: 1 4 in 7mm 8mm [5 16 in] 3 8 in 10mm 11mm [7 16 in] 12mm 13 mm [1 2 in] 13mm 14mm [9 16 in] 9 16 in 16mm [5 8 in] 17mm 11 16 in 19mm [3 4 in] Features: Bi directional design for removing or tightening damaged fasteners Tapered entry enables socket to easily seat on a damaged fastener Dual sized sockets designed to work with both SAE and metric fasteners Square drive with hex base for use with impact gun