22mm Aluminum Traveler Track Car With Stand-Up Block Marine Sailboat Hardware 1595 Used For: Mainsail track etc, work with 1500 track Use high quality aviation aluminum material, surface after the special craft processing, double protection, the inner prevent the corrosion from sea water, the outer ensures the products UV resistance, stroke prevention and low friction coefficient. Specification: Brand: Blue Shark Part Number: 1595 22mm Aluminum Car With Stand-Up Block Length:100mm ( 3 15/16 inch) Sheave: 38mm (1 1/2 inch) Car Body Height: 25mm (1 inch) Weight: 322g (11.4 oz) Maximum Working Load: 550kg (1212 lb) Breaking Load: 1000kg (2205 lb) Destination custom duty is not included in the listing price; it is the customer's responsibility to pay for custom duty if any.