It is fixed with stainless steel rivets, wear‑resistant, non‑corrosive, and can be used for a long time.
It adopts stainless steel frame, brass double groove pulley, durable, smooth and quiet.
Easy to install and use, flexible push and pull, it is a practical hardware accessory.
The installation is firm, not easy to loosen, and the bearing capacity is strong, about 45‑80kg.
The pulley has little friction, stable and silent, and is suitable for aluminum alloy window.