2/4Pcs Heavy Duty Fixed Pulley with Mounting Screws and Expansion Pulley Block Kit Bearing Silent Wheel Detachable Loading 176 Lb for Cord Material Handling Moving/DIY Mount Features: 1. High-Quality Small-Sized Lifting Pulley: This pulley block is manufactured from effective carbon steel with a nickel-plated surface. It presents durability, strength, and stability, guaranteeing dependable performance in lifting applications. 2. Fixed and Silent Operation: The fixed small pulley provides effortless and super silent operation, offering tender sliding motion. It guarantees optimal motion of ropes, stopping twisting or tangling for a seamless lifting experience. 3. Maximum Load-Bearing Capacity: The single silent pulley set has a most load-bearing potential of 176 pounds. It is acceptable for ropes with a diameter of as much as 6mm, making it versatile for different lifting tasks. 4. Simple and Quick Installation: The wall-mounted pulley comes with screws and growth tubes, allowing for clean and handy installation. The mounting hole diameter is 5.8mm, guaranteeing compatibility with normal set up setups. 5. Wide Range of Applications: This heavy duty fixed pulley unearths broad purposes in commercial and residential material handling tasks. Additionally, it's suitable for electric roller shutter door equipment and motorized ceiling gentle fixtures, including versatility and application on your projects. Specification: Certification: NONE Origin: Mainland China Type: Round Belt Model Number: Pulleys Material: Metal Mounting Hole Spacing: Approximately 61mm Size: Approximately 75.00x34.00x21.00mm (2.95x1.34x0.83inch) Type(optional): 2pcs/4pcs Note: Due to the different display screen and light effect, the particular color of the article might be slightly varied from the color showed on the pictures. Thank you! Please enable 1-2cm measuring deviation because of manual measurement. 1Kit x Silent Pulley