ITEM NAME:High Strength 316 Stainless Steel Windsurfing Sail Tack Triple Pulley Roller Description: - High performance premium 316 stainless steel windsurf sail tack pulley has a triple roller wheel - High strength, sturdy, strong, corrosion-resistant, durable and long lasting - Universal fits 4mm to 5mm rope, used to keep ropes separated - Pin system for easy and solid connection - Great replacement gear accessories for windsurfing sails Specification: - Material: 316 Stainless steel - Color: Silver - Size (L x W): Approx. 35 x 30 mm/1.38 x 1.18 inch - Width of Each Roller: Approx. 7 mm/0.28 inch Package Included: 1 Piece Windsurf Sail Tack Pulley Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!.High performance premium 316 stainless steel windsurf sail tack pulley has a triple roller wheel. 1 Piece Windsurf Sail Tack Pulley. - Material: 316 Stainless steel. - Universal fits 4mm to 5mm rope, used to keep ropes separated.