Sia Siaair 7940 Velvet Sanding Disc 4000 Grit Box of 10 150mm Pressure Pot Guns - Superior design techniques eliminates

- Superior design techniques eliminates distortion providing clear visibility

preventing check valve problems

Excellent weathering resistance

and lightweight device

Sia Siaair 7940 Velvet Sanding Disc 4000 Grit Box of 10 150mm Pressure Pot Guns - Superior design techniques eliminatesSiaair: For high gloss varnishes and solid surfaces. The improved siaair technology of 7940 siaair is the key to a perfect finish in damp and dry sanding applications whether it's scuffing, fine sanding or preparation for polishing. Backing Knitted fabric with foam backing. On the outside,the ingenious net backed abrasive, in the middle the foam cushioning which equalizes the application pressure and on the inside the well proven siafast hook and loop