NoTrax® 509S0035YB Diamond Tuff™ 509 Durable Anti-Fatigue Mat, 5 ft L x 3 ft W x 9/16 in THK, Vinyl, Diamond Surface Pattern, PVC Foam Base, Resists: Abrasion, Slip, Tear and Wear NoTrax® 509S0035YB Diamond Tuff™ 509 Durable Anti-Fatigue Mat, 5 ft L x 3 ft W x 9/16 in THK, Vinyl, Diamond Surface Pattern, PVC Foam Base, Resists: Abrasion, Slip, Tear and Wear