: 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 (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 style longer throw Dual Action polishers and in particular the very popular DAS-6 Polisher. it also fit DAS-21E and (partial models) machines. A medium density versatile backing plate, for use with all grades of pads and polish. colour: Black + red Material: plastic size: 125mm The color of the metal washer in the middle is random. No specification is accepted. Package contents: 6 xSanding Pad Backing Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.