CRL Klingspor Belts are available in several grits from 60X to 400X to fit 100 mm x 2.40 m belt sanding machines. For belt sizes or grits other than what we show on our website or in our catalogs, contact our CRL Technical Sales Department for pricing and availability. Most popular belts for glass, and examples of their use 60X - extra rough: Fast glass removal (mitered edge) 80X - rough: quick contouring (auto glass edge) 120X - smooth: Seaming and polishing (desk top edge) 220X - extra smooth: Fine frosted finish (glass shelf edge) 400X - fine: Satin finish (opaque edge) CORK - polish: Smooth luster finish.