Name:hex bit holder socket hardware tools Our screwdriver bits are made of Taiwan S2 and NKD imported from Japan ,which is a raw material in hardware with high hardness commonly.Up to now , we are OKMA is the only one supplier have the authority to produce the Japanese material in China with best quality . quick change bit holder Size: H6-H14mm HRC:51-54 FINISH:Mirror, Bronze, Matt, phosphated black,gun color,Customise HEAD:HEX LENGTH:45/48/65MM,CUSTOMIZED Function:fasten or loosen screws Retail Packing:blister card/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 HORN TOOLS (HENAN HORN TOOLS CO.,LTD) aims at developing and producing high quality、precision、durable and reli…