Item Name: Rope Tensioner. Material: Alloy. Features: Lightweight, Portable, Easy to Use, Widely Used. Application: 4mm-6mm windproof rope/umbrella rope. Disabled: Wire Rope/Hard Plastic Rope. Recommended pulling force: 231kg. Weight: 59g. Size Detail: 74x40mm(2.91x1.57in). Package Includes: 1Pc Rope Tensioner. Convenient one-touch rope release mechanism. Stable mechanical structure for secure grip. Made from durable aluminum alloy through die-casting manufacturing. Lightweight and exceptionally strong. Ideal for daily use, outdoor camping, hiking, and more.