150mm Sanding Pad Backing Plate for DA Polisher with Cooling Channels Designed for Optimal Heat Reduction and PerformanceSPECIFICATIONS Brand Name: Keszoox DIY Supplies: Paint & Decorating High concerned chemical: None Origin: Mainland China Details: * and *6" Sanding Pad Backing Plate for DA Polisher 150mm Back Plate with Heat Emission Holes *Name: sanding pad *Usage: for auto and motorcycle *density: medium soft *usage: da polisher backing plate *features: ventilated cooling channels *function: help reduce heat transfer *dual DA sanding pad backing plate back holder