(2Pcs/4Pcs)--Silent Pulley2/4Pcs 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 made of effective carbon metallic with a nickel-plated surface. It provides durability, strength, and stability, ensuring dependable functionality in lifting applications. 2. Fixed and Silent Operation: The constant small pulley presents effortless and great silent operation, offering mushy sliding motion. It ensures optimal motion of ropes, preventing twisting or tangling for a unbroken lifting experience. 3. Maximum Load-Bearing Capacity: The single silent pulley set has a maximum load-bearing capacity of 176 pounds. It is acceptable for ropes with a diameter of up to 6mm, making it flexible for various lifting tasks. 4. Simple and Quick Installation: The wall-mounted pulley comes with screws and growth tubes, making an allowance for smooth and handy installation. The mounting gap diameter is 5.8mm, making certain compatibility with regular installation setups. 5. Wide Range of Applications: This heavy duty constant pulley unearths broad functions in industrial and residential material handling tasks. Additionally, it is compatible for electric curler shutter door equipment and motorized ceiling light fixtures, including versatility and utility for 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 various video display and light-weight effect, the actual shade of the thing might be barely various from the colour confirmed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to guide measurement. ProductIncluded2Pcs:1Kit x Silent Pulley4Pcs:1Kit x Silent Pulley