Diablo's premium 4-1/2 in. x 4-1/2 in. 40-Grit (Ultra Coarse) Sanding Sheets with Stickfast Backing include break-through innovations that improve performance， extend sanding life and increase productivity. These sanding sheets are designed for use in 1/4 sheet palm sanders and are ideal for all types of wood， metal and plastics.

Premium aluminum oxide blend - a superior quality formulation designed for fast material removal and long sanding life

Stickfast backing - an industrial-grade Pressure Sensitive Adhesive (PSA) backing for a strong and secure bond

Clog-SHIELD high performance separate coating that reduces pitch build-up and clogging for maximum productivity

ENDURA-BOND， a specialized high strength resin provides superior grit-to-backing bond for extreme durability

Recommended use - fast leveling， shaping， extra heavy removal and stripping

Tool usage - 1/4 sheet palm sanders

Materials - wood， metal and plastics

Quantity - (4) 4-1/2 in. x 4-1/2 in. 40-grit (ultra coarse) sanding sheets