P/N WAL13S.
3M Cubitron II33439 786F Series File Belt, 3/8 in W x 13 in L (3M 33439) (4 BX)
3M 33440 Cubitron II Purple 3/8 in. x 13 in. 80+ Grit File Sanding Belt (10 ct)
3M Cubitron II 33437 786F Series File Belt, 3/8 in W x 13 in L(3M 33437) (4 BX)
3M 33437 Cubitron II Purple 3/8 in. x 13 in. 36+ Grit File Sanding Belt (10 ct)
3M Cubitron II 33437 786F Series File Belt, 3/8 in W x 13 in L (3M 33437)
3M Cubitron II 33437 786F Series File Belt, 3/8 in W x 13 in L(3M 33437) (2 BX)