{"catalog_name":"World Products","variant":"c","item":{"handle":"wp-dcd-10001019054","title":"High Strength Zip Line Trolley Effortless Rotation Double Zip Line Pulley Wear Resistant Tandem Speed Double Trolley 7075 Aviation Aluminum for Rescue Professionals, Climbers, Canyoning","category":"户外","category_name":null,"category_gid":null,"product_type":"户外","vendor":"World Products","price":"$7.64","currency_code":"USD","availability":"in_stock","inventory_quantity":0,"sku":"dcd-30002645848","barcode":null,"variant_title":"Yellow / 4 Holes","selected_options":{"Color":"Yellow","Style":"4 Holes"},"description":"Heavy-Duty Construction: Crafted from high-strength 7075 aviation aluminum, this zip line trolley is designed for durability and reliability in demanding outdoor conditions, making it essential climbing gear.Effortless Operation: Equipped with stainless steel ball bearings, this tandem speed pulley ensures incredibly effortless and fast rotation, minimizing friction for high-speed zip line and traversal applications.High Load Capacity: Engineered to handle significant forces, this rope pulley boasts a breaking strength of 25kN (5500 lbs), providing a secure and safe connection for rescue, climbing, and heavy-duty hauling.Versatile Compatibility: The heart-shaped design accommodates multiple carabiners and is compatible with both textile ropes and steel cables up to 13mm in diameter, making it a versatile double sheave climbing pulley for various setups.Wide Range of Applications: Ideal for backyard zip lines, professional rescue operations, climbing, canyoning, and overhead traversal systems, this pulley offers exceptional performance for both recreational and professional users.","image_url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/5c4f2d98-38da-47a6-8522-30c63325341e.jpg?v=1786020317","href":"/product/wp-dcd-10001019054.html","buy_url":"https://uecyem-u1.myshopify.com/products/wp-dcd-10001019054","buy_url_source":"shops.shop_domain + 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