*extension bar with 1/2" drive & length 10" *environmental friendly phosphating *drop forged & heat treatment * ... ,matt nickel Process : heat treatment & drop forgedSize : Length 5'' ,1/2'' drivePackage detailcolor box ,40pcs in each box,4 boxes in ... than 20 years experience about one hundred employeealmost 10,000 square meters factory areahigh quality and competitive priceFactory & Machine Own Brand ...