Cheap ball screw linear guide, Buy Quality ball set screw directly from China ball screws and nuts Suppliers: 1pc FK12 and 1pc FF12 for Ball Screw SFU1605 / RM1605/ RM1604 support
if you need them, and the second purchase, you will get a surprise, and a discount This order contains:1Sets FK/FF12 For SFU1605 supportthis is size and picture: