ITEM NAME:Sanding Pad Backing Plate Back Holder for DAS-21E Partial Rupes Dual Action H6R4 Sanding Pad Backing Plate Back Holder for DAS-21E Partial Rupes Dual Action H6R4 DIY Supplies: Paint & Decorating Name: sanding pad Usage: for auto and motorcycle other name: professional dual action Track sanding pad density: medium soft usage: da polisher backing plate features: ventilated cooling channels function: help reduce heat transfer dual action DA sanding pad backing plate back holder adapter for DAS-21E and rupes (partial models)dual action poisher max operation speed :12000 rpm The backing plate features ventilated cooling channels to help reduce heat transfer. This Dual Action Backing Pad is a 5 inch Backing plate designed specifically to fit the new style longer throw Dual Action polishers and in particular the very popular DAS-6 PRO Plus Polisher. it will also fit DAS-21E and Rupes (partial models) machines. A medium density versatile backing plate, perfect for use with all grades of pads and polish. colour:Black + red Material:plastic size:125mm Package Contents: 1*Sanding Pad Backing