Features:Lock the door: The lock door is designed with an anti-hook system to prevent the hook from being hooked. Especially when you try your best to reach the protection station, the anti-hook system is especially important.Logo: Breaking load logo: Long shaft 25KN (approximately withstand a force of 2.5 tons) short shaft 8KN (approximately withstand a force of 0.8 tons) Unlock 7KN (approximately withstand a force of 0.7 tons)Anti-slip nut: The nut adopts an anti-slip design, which locks the door more smoothly when used, is not easy to slip, and is safer and more reliable.Shape: D-shape, which determines that it is easy to connect. After the connection, the safety belt and protection tools can always be fixed in a good position of the long axis, and can withstand an impact of up to 2500 kg.Specification:Size: 5.6cm in width 10cm in heightItem No.: XD-9628Color: multi-color optionalFull name: D-type threaded main lockWeight: 60gTensile force: longitudinal 25kN (2500 kg), transverse 8kN (800 kg)Product standard: CE1019 EN12275Material: high-strength aluminum alloyScope of application: outdoor sports such as mountaineering, rock climbing, expansion, ferrata, caving, etc.Package includes: