we use 6 stitches to make the entire webbing stronger and more wear-resistant

[MATERIAL]:CE 1282 EN353-1:2002

[Strength] MBS: 25 KN(5511 lb)(2500kg)

[Large Breaking Strength]-Climbing zipline pulley is sturdy enough to support up to 20 kN(4500 lb)(2000 kg)

and the symmetrical small holes are evenly stressed when you use it

NewDoar 8 Descender Downhill Equipment Rigging Plate 35kN Rescue-White Climbing Belay we use 6 stitches to[Material]: A7075 Aviation aluminum alloy and Magnesium Alloy Forging, Surface Anodized Oxidation. The figure 8 descender is excellent in lightness and high strength. [SPECIFICATION ]: Maximum tension: 35KN(7700lb). Suitable for 8 13 mm rope. Sizes: 5. 15inch(14. 6cm)* 2. 95inch(7. 5 cm); Weight: (0. 26Ib)120g. [Keep Your Safety]: It uses the friction between the rope and the Descender device to slow down the descent or brake. Extra thick and belay