Introducing the 3 in. x 21 in. Aluminum Oxide Sanding Belt Set in 6 Popularly Used Grits by POWERTEC. This premium assortment pack of 18 was designed to provide you with a cost effective set of long-lasting and high performance sanding belts in a range of grits. From 60-grit to 400-grit， this comprehensive selection of popular grit sizes allows you to sand through all the stages of your project， from coarse to fine polishing. Made with open coat Aluminum Oxide (A/O) grain， they act as a multi-purpose tool best used for wood sanding， shaping， stripping and giving a smooth finish to many of your woodworking applications. Additionally， these belts work exceptionally well with lite and non-ferrous metals， blending welds， fiberglass， plastic and rubber. Each belt flaunts an X-weight clothed backing and possesses a strong resin on resin bond with well crafted seams for long-lasting results. Whether you're a professional or DIY kind of guy， these heavy-duty sanding belts are compatible with many of your go-to sanders， including: Craftsman， Makita， Skil， Wen， Ridgid， Porter-Cable， Black+Decker， Bosch， Triton， Hitachi， Metabo and more.

Usage: works with an assortment of belt sanding machines and applications - providing a heavy-duty stripping and sanding tool for wood， aluminum， fiberglass， rubber， plastic and non-ferrous metals

Premium grade: made with our superior X-weight clothed backing， an open coat aluminum oxide grain and an impressive resin on resin bond that ensures long-lasting performance

Craftsmanship: these 3 in. x 18 in. sanding belts feature a heat and moisture resistant material and were designed with expertly crafted seams that won't break under pressure

Gritty: available in a wide range of uniformed-grit - 3 each of 60-grit/80-grit/120-grit/150-grit/240-grit/400-grit

Specification: abrasive belt size: 3 in. x 21 in.， grit size: 3 each of 60-grit/80-grit/120-grit/150-grit/240-grit/400-grit， material: premium open coat aluminum oxide (A-grit/O) grain， backing: strong X weight cloth backing， joint: strong butt joint construction， package: 18-pieces

Grit selection guide: 40-grit to 60-grit: heavy sanding and stripping， 80-grit to 180-grit: removing tiny imperfections， 240-grit to 400-grit: delivering a super fine smooth finish