1 4 hex impact length screwdriver bits

                                                  1 4 hex impact length screwdriver bits 1.Made from Industrial Grade S2 Tool Steel, Heat Treated to HRC60+-1 2.Anti Cam-out bit allow precise fit and resist slippage 3.1/4" hex power shank fits most chucks and adapters 4.Up to 60% more durable than similiar products 5.Fixed with Air/Pneumatic Screwdriver, Hand Electric Drills Size:6.35*25/50mm HRC:60+-1HRC FINISH:Mirror, Bronze, Matt, phosphated black,Customise HEAD:PH,SL,TORX,SQ,PZ Function:fasten or loosen screws Retail Packing:PVC BOX/blister card/HORN Patent box/customize Quality control:100% whole range inspection through the production After-sale service:Free replacement if any defective in quality. Payment terms:T/T,L/C,PAYPAL,DP Sample :free MOQ: 6000PCS &…