Feature●FREE SHIP (United States). Usps Piority ship.●12 Pieces of 4" Premium Dry Pad, 3 X Grit 50, 2 X Grit 100 200 400, 1 X Grit 800 1500 3000.●1 Piece Aluminum Backer (5/8"-11 Thread, very important remind: aluminum backers max velocity is 5000 RPM. Please do not use it with high speed grinder or polisher).●http://www.amazon.com/dp/B06Y44TNLR●http://www.amazon.com/dp/B06Y42QN3TDescription
FREE SHIP United States The aluminum backer is 5/8"-11 Thread. NOT M14 Thread. Remind: This package carries (a)-(b): (a) 12 Pieces of 4" Premium Dry Pad, 3 X Grit 50, 2 X Grit 100 200 400, 1 X Grit 800 1500 3000. (b) 1 Piece Aluminum Backer (5/8"-11 Thread, very important remind: aluminum backers max velocity is 5000 RPM. Please do not use it with high speed grinder or polisher).