Stainless Steel Material: Made of premium stainless steel, the small pulley block offers durability, high strength, and stability, ensuring long-lasting performance. 2 Easy and Silent Operation: The fixed pulley wheel allows for easy and super quiet movement, ensuring stable gliding and preventing the rope from twisting, ensuring optimal rope function. 3 Maximum Load Capacity: With a maximum load capacity of 80kg, this single pulley block is suitable for ropes with a diameter of up to 6mm/0.2in, providing reliable support for various applications. 4 Easy Installation: The wall-mounted pulley block comes with screws and expansion tubes, making installation quick and easy. The mounting hole diameter is 8mm/0.2in. 5 Versatile Applications: Widely used in industrial and household material handling, this small pulley block is also suitable for electric roller shutter door accessories and electric ceiling lights.