Single bearing nylon pulley, swivel block head for sailboats, marine grade 316 stainless steel

Features:1. 20mm Wheel Thickness: This is a 316 stainless steel spring nylon pulley, measuring 85 x 40 x 20 mm with a 20mm wheel thickness.2. Strong and Durable: The hook nylon pulley is made of 316 stainless steel, which is corrosion-resistant, strong, and durable.3. Low Friction and Extreme Durability: The self-lubricating nylon pulleys ensure low friction and extreme durability, making them very practical.4. 1500 lb Working Load Limit: The rotating pulley block is designed for 3/8" diameter fiber ropes, with a working load limit of 1500 lbs.5. For fitness equipment: The pulley head is suitable for fitness equipment and marine sheets, sail cables, and control lines.Specifications:Item Type: Pulley Block HeadMaterial: 316 Stainless Steel, NylonUses: Suitable for fitness equipment and marine sheets, sail cables, and control linesProduct Size (L x W x D): Approx.85 x 40 x 20 mm / 3.35 x 1.57 x 0.79 inchesWheel Thickness: Approx. 20 mm / 0.79 inchesWheel groove width: 3/8 inchPackage List:1 x Shear Block HeadNote:This product is made of stainless steel and requires regular inspection and maintenance during use.