***Discontinued per manufacturer. Alternative part number: 7100266294*** 3M™ Cloth Belt 370DZ, P120 Y-weight, 25 in x 60 in, Film-lok, Single-flex. 3M™ Cloth Belt 370DZ is an open coat product using a premium grade aluminum oxide mineral. The cloth backing of the belt makes it suitable for both rough sanding and final finishing on wide belt and edge sanding applications.