General description Made of high-quality stainless steel, this 6 Pack U-Type Stainless Steel Pulley Block features super wear resistance and strength. The mute pulley operates smoothly and effortlessly, making it ideal for various applications, including home fitness and outdoor work. Each pulley can be mounted on wood, walls, and metal surfaces. Technical specifications Type: U-type single wheel pulley Overall height: 60 mm Overall base size: 68x30 mm U-shaped groove depth: 6 mm U-shaped groove inner width: 16 mm U-shaped groove outer width: 22 mm Wheel diameter: 48 mm Load capacity: 800 pounds (varies with material and angle) Recommended load on wood at a vertical angle: 200 pounds Recommended load at a 45-degree angle on a concrete wall: 800 pounds Compatibility and accessories Suitable for 3mm-10mm wire rope or climbing rope Includes 4 self-tapping screws and 4 yellow expansion sleeves per pulley Usage These pulleys can be used for fitness equipment, particularly for shoulder and