Each V-type single wheel pulley block features 4 mounting holes with a 7mm diameter, compatible with flat belts from 3 to 12mm in width. Suitable for mounting on various surfaces including wood, metal, and walls. Includes 4 self-tapping screws and 4 expansion plugs for secure installation. Constructed from high-quality stainless steel, this single wheel rope pulley block offers durability and is easy to clean. The reinforced steel plate increases load capacity, supporting up to 800 pounds. Equipped with a silent duplex bearing design that reduces friction, ensuring smooth and stable rotation with minimal noise during operation. Ideal for a wide range of applications such as home fitness setups, wire rope traction, DIY gym systems, cable lifts, rolling gates, sliding doors, and other outdoor uses. Designed for simple installation: mark the desired position, drill four holes, insert the provided expansion plugs, and secure the pulley using the included screws.