Roland KD-80 V-Kick Bass Drum Trigger Pad 3M Grndng Dscs 50 Grt #381C + varous Grt of other dscs | eBay The 3M Fibre Disc 381C is a versatile and general purpose metalworking disc, designed to help with a variety of applications from grinding, weld removal & finishing to blending on common metals like carbon steel. 3M Fibre Disc 381C The 3M ™ Fibre Disc 381C is engineered as a multi-purpose metalworking tool, adept at handling a wide range of applications from grinding and weld removal to finishing and blending on common metals , particularly carbon steel. This disc is recognized for its durability and versatility, making it a valuable tool in various industrial metalworking scenarios Versatile disc can tackle many applications, from grinding to blending Heavy weight fibre backing is tough and durable Used with portable tools for easier access of workpiece Quick Change 100 Pcs 3M Fibre Disc 381C 4 In /8 In Grit 24 Aluminum Oxide 81368 50mm Sanding Discs