Braided Expandable Sleeving, 0.50" diameter (12.7mm), provides continuous abrasion resistance for wires, cables and tubing. The highly flexible open weave will not trap heat or humidity, black, Polyethylene Terephthalate, 100 ft. per reel.KEY FEATURES AND BENEFITS:• Provides continuous abrasion protection for wires, cables, hoses, and tubing• Highly flexible open weave will not trap heat or humidity• Allows for use with irregular shapes• Lightweight, durable protection• Rated for use up to 257°F (125°C)• Compliant with U.S. and European passenger rail standards