Nite Ize CamJam XT Aluminum 500 lb. Rope Tightener, D Shape, Black

Allows you to tighten, tension, connect and secure heavy loads by simply pulling your rope or cord through the cam mechanism Easy to adjust and release tension by rotating the cam lock lever Two attachment methods for ultimate versatility - Loop System and Fixed End System Achieve and maintain high tension without knots Made of durable cast aluminum for heavy loads