Gemtor rl-8-5155, self retracting lanyard – snap hook – polyester webbing – 8′ model # rl-8-5155, 1-3/4″ wide x 8′ long, polyester webbing with a locking snap hook permanently attached. Unit locks within a few inches when a fall is sensed. Integral shock absorber pack protects against overloading. Housing is made of heavy-duty steel with a chemical, environmental, and impact resistant pvc cover.