Abracs Psa Sanding Disc 150mm x 180G Pk100 CLEARANCE PRICE The Abracs Psa Sanding Disc 150mm x 180G Pk100, P.S.A. (Pressure Sensitive Adhesive) sanding discs in 150mm diameter. Premium quality aluminium oxide grain in 160gm paper backing. Abracs P.S.A discs have a unique “easy peel” tab for easy removal and fitting. Benefits / Features Heavy Duty Multi Purpose Long Life 180 grit For Use on (machine type) Orbital Sander Applications Wood, Metal, Plastic, Fibreglass