25 pack - 1/2" x 18" Super Flexible Backed Aluminum Oxide Belts (Best for: Contour)Best for difficult curved contoured applications on a variety of metals Can be used for finishing and polishing stainless steel J weight poly cotton blend backing Dry applications For a cheaper alternative see our Flexible belts Choosing a Grit Coarse Grits (24 80): For heavy material removal, weld grinding, or shaping. Medium Grits (100 180): For blending, deburring, and intermediate smoothing. Fine Grits (240 400): For finishing or preparing for

Choosing a Backing Weight

weld splatter

· J-Weight if you need flexibility for finishing

o   General-purpose blending

·         Y-weight poly/cotton blend backing

·         Fine (Dark Blue) is equivalent to 180-220 grit

· For a cheaper alternative see our “Flexible” belts

blending and deburring applications

· Y-weight polyester backing

·         Can be used on a variety of materials when needing something aggressive

o   Heavy material removal

·         Best for final finishing and polishing on a variety of different materials