1. Made of high-strength aluminum alloy, with high strength, light weight and easy to carry. 2. The connecting hole is connected to the protector with a lock when in use. 3. The function of blocking teeth is to block the ropes with each other through the blocking pieces. When the human body is tilted due to weightlessness, it have the effect of grabbing the rope and preventing falling. 4. The function of the blocking piece is to block the rope by blocking the teeth, and it have the effect of grabbing the rope and preventing falling when the human body is tilted without weight. 5. When used for stagnation protection, prevents the rope from extending the moving distance due to external forces (such as wind blowing), and clamps the fixed piece with the rope to maintain a safe state. Size: Length:11.2cm/4.8in, Width:6.5cm/2.6in Pull force: 22kN (about 2200 kg) Weight: 168g Applicable rope diameter: 8-13mm/0.31-0.51in Scope of application: outdoor rock climbing, downhill, cave protection, rescue, high-altitude operation protection, etc. Color:As Shown Material:Aluminum Alloy Package Contents: 1 * Climbing Rope Grab Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.