Molded Rubber Grit Strip Lo-Disc Design Stair Treads from Musson Rubber Co. 3/16 " thick; 12-1/4" deep; with 1-1/2" square nose. Treads shall have a sanded back for proper adhesion; contain no asbestos; molded to top quality homogeneous rubber compound; free of objectionable orders or imperfections which might impair service. Select standard length of : 36", 42", 48", 54", 60" or 72". Select standard color from Color Series I, Color Series II or Color Series III. 
One Black 2” wide abrasive Grit-Strip inlaid in tread, 1” from front edge. Model #GS800VI
Two Black 3/4" wide abrasive Grit Strips inlaid in tread, 1" from front edge.  Model #GS800

Color Chart