3M Cartridge Roll 341D, CR-ST, P240 X-weight, 1/2 in x 1-1/2 in x 1/8 in, Straight (100 Pack) Novastar sharp point opens cracks for

sharp point opens cracks for patching

Flexible Foam Backing: soft foam backing conforms to curves and contours for smooth

The slurry coating allows for a scratch pattern that is easy and fast to polish out and leads to excellent quality consistency

adhesion and mold resistance for a 100% waterproof seal

3M Cartridge Roll 341D, CR-ST, P240 X-weight, 1/2 in x 1-1/2 in x 1/8 in, Straight (100 Pack) Novastar sharp point opens cracks for3M Cartridge Roll 341D provides easy access to small, hard to reach spaces for sanding and finishing. As the outermost abrasive layer wears down, the cloth backing frays to expose fresh abrasive layers for continued cutting action.