Description Pro Grip pulleys are pulleys that allow you to hang heavy spotlights or hang heavy reflectors in your greenhouse. These Pro Grip pulleys allow you to quickly, safely and easily hang any product that needs to be fixed. WHAT CAN WE HANG WITH THE PRO GRIP PULLEYS? Pro Grip pulleys allow you to hang heavy reflectors, filters, lighting equipment, ventilation equipment as well as pulleys to hang heavy spotlights. Each Heavy Duty pulley supports a weight of 68 kilos. Light pulleys are for hanging light reflectors up to 5 kilos. They are made of a special composite material that is resistant to color and cold. The rope is braided polypropylene.