Sanding Detailer with Micro-Finishing Film Belts by 3M Grit:220 blade is 1 3/4" long

blade is 1 3/4" long and 11/16" wide

An outstanding material for differential hardening of your blade

By marking the center line on the blade’s spine

They’re made from Spectra and steel cut-resistant yarn

Sanding Detailer with Micro-Finishing Film Belts by 3M Grit:220 blade is 1 3/4" long3M Micro Finish Film is a fast cutting abrasive for precise, uniform, close tolerance finishing. High strength polyester film backing and micron graded aluminum oxide mineral resin is bonded for durability. The particles are electro statically charged so all particle points are going in the same direction. This process increases the precision of the belt. This material is ideal for: tool and die work, gunsmithing, jewelry making, watch repair and