产品描述： 3M 7448:灰色尼龙 大卷尺寸:36"X132Y 相当于800#碳化硅砂粒 20片/盒 3M Scotch-Brite Ultra Fine Hand Pad 07448, 6 in x 9 in Conformable web and finest silicon carbide hand pad available. Excellent for final finishing and light cleaning. May be used by hand, with a hand block, or on an in-line sander. Abrasive mineral: Ultra fine grade silicon carbide. Color: Light Gray.