QWORK 4PCS M20 Double Pulley Block 304 Stainless Steel Wheel Roller for and Tackle System

Type: M20 Double-Pulley Block, fit for rope within 6mm; Size: M20; Runner Diameter: 20mm; Wheel Width: 8mm; Rotating Ring Width:13mm; Total Length: 73mm; Max Load: 75kg(165lbs); 360° Rotation Material: 304 Stainless steel, strong, reliable, waterproof, anti-rust, anti-high temperature, corrosion resistance. Applications: Widely used in tractive effort of steel wire rope or other rope tools. A rope, cable, belt, or chain usually runs over the wheel and inside the groove, if present. Package Included: 4 x M20 Double Pulley Block Returns and refunds in accordance with Amazon’s returns policy