Singing Tree Rope Wrench Kit with At-Height Stiff Tether and ISC Pulley (Gold) Kit includes the Rope Wrench, At Height stiff tether, and ISC RP281 micro pulley Compatible with rope 7/16" - 1/2" in diameter The body and wheel of both the pulley and wrench are made of aluminum with an anodized finish The quick release pin on the wrench and swivelling side plates on the pulley allow for quick attachment and removal A Hitch cord and carabiner are required to complete setup