The desired length of the strip can be torn from the roll for a specific application. Most grades have a light, J-weight cloth backing that provides the flexibility needed to conform to circular edges, angles, or other contours. Rolls in grades P50 or P60 have a slightly stiffer X-weight backing suitable for more coarse sanding applications. Cloth remains durable even when bent or rolled, without tearing or shelling, but strips can be torn by hand when a smaller piece is needed, without compromising the sanding surface.
Aluminum oxide is a popular choice among industrial professionals because of its fast cut-rate and long life. This mineral makes a tough, durable abrasive that self-fractures to expose fresh cutting edges, whereas traditional natural abrasives dull more quickly. Aluminum oxide is suitable for a wide variety of materials in both woodworking and metalworking, including ferrous alloys. Aluminum oxide abrasive can be used on ferrous and non-ferrous metals, wood, and plastic.

Dynabrade 48532 3" Dia. Right Angle Disc Sander, Rear Exhaust, .4 HP, 20,000 RPM
Dynabrade 53251 7" Dia. Vertical Disc Sander
Dynabrade 79302 - 2-3/4" W X 30 L Yards, 120 Grit, A/O PSA Dynacut Roll
Dynabrade 52204 .4 hp 7 Degree Offset Die Grinder, Front Exhaust, 25,000 RPM, 1/4" Collet
Dynabrade 78655 3/8" Dia. x 1" W x 1/8" Center Hole, Tapered Cartridge Rolls, A/O, 180 Grit, 100/pack
Dynabrade 21520 ND3891-1, Head Assembly, EZLS
Dynabrade 56382 Shaft Balancer- 6", 3/8" Orbit
Dynabrade 78395 6" Dia. x 1" W x 1" Center Hole, 5A Medium, A/O DynaBrite Metal Finish Convolute Wheel, 2/box
Dynabrade 90354 3-1/2" W x 15-1/2" L 80 Grit A/O DynaCut Belt, 10/pack 
