Red Hound Auto 4" x 60' Black Heavy Duty Safety Non-Skid Anti-Slip Grit Grip Tape Heavy Duty Safety Non-Skid Anti-Slip Grit Grip Tape 4" x 60' Solid Black; 4" nominal width (approximately 3-3/4") Strongest, longest lasting tape you can buy. Industrial strength adhesive withstands weather and foot traffic. Waterproof when applied to a clean, dry sufrace.