3M Trizact Cloth Belt, 337DC, A300, 3/4 in x 18 in (19.1 mm x 457.2 mm) The 3M Trizact Cloth Belt 337DC delivers consistent intermediate to final finishes on medium pressure applicationsDesigned with aluminum oxide and a grinding aid on a durable X- weight cloth backing, this belt is available in widths from 1/2 to 24 inches (1.27 cm to 70 cm) and grades from A300 to A30. Product Information Brand 3M Part # 7000141294 Backing Cloth Backing Material X Heavy cotton Color Blue Dimensions 3/4x18 Grit 300 Length 18 Inch Width 3/4 Inch Material 337DC Mineral Aluminum Oxide Origin Country USA Product Type File Belts Trizact 300 Product InformationControlled mineral breakdown delivers more consistent, predictable finishes over the life of the beltDurable cloth belt is frequently able to grind and finish in one operationExtra-long belt lifeMacroreplicated abrasive "bricks" contain multiple layers of abrasive mineral, "channels" remove swarf and keep work surfaces cleaner