GM CLIMBING 20kN UIAA Certified Micro Prusik Minding Pulley 1/2" Micro Prusik Minding Pulley ( PMP ), with side plates, is an indispensable device for process capture in hauling / drag system. The closing style makes the pulley compatible with most kinds of carabiner. Swing plates for easy and rapid rope installation and remove. The closing style makes the pulley compatible with most kinds of carabiner. With rating to 20kN breaking strength, the pulley is of high durability and is able to satisfy almost all your requirements, like pulling a stranded boat, hauling your partner out of a crevasse, slack hitch, etc. Whether you use it for rescue / climbing system, or for setting a tackle and block in your house, this is a simple but super powerful pulley for you.