ISC Aborists Portawrap; Small Flying Capstain. - For controlled lowering. A utility lowering device for tree surgery. The portawrap can be easily anchored via a captive eye and allows the user to tune the friction required by varying the wraps around the portawrap. Knots can easily be passed. SWL - 1000 kg. Weight - 2.1 kg. Conforms to Loler regulations 1998. Overall length 213mm