1)mechanical bushing 2)size:3/8" , 1/2" , 3/4" , 1" , 1 ... " , 3" , 4" 3)Competitive price&prompt delivery Product Description Item: mechanical bushing Offer machining parts, precision parts, CNC machining parts, CNC turned ... , stationery, furniture, machinery, sanitary etc. 5. OEM order is welcome mechanical bushing