The CMI Trolley Brake Block mounts around cable and attaches to a static point with a bungee cord (not included). Crafted from dense Appalachian Hardwood and sealed with an environmentally-safe preservative, and a striking surface of ultra-high molecular weight polyethylene, with steel hardware and a galvanized eye bolt.

• Length: 23cm
• Weight: 1.36kg

Zip Line riding can be dangerous. Please ensure that you are properly informed or trained before attempting to install or ride a zip line. For more information on proper zip line construction, please consult with an experienced professional or refer to current standards published by the Association for Challenge Course Technology (ACCT) or the Professional Ropes Course Association (PRCA).

Treehouse Supplies, Inc. is not liable for how this product is used. Please consult with a qualified professional for advice.