Metal DAIKEI HOOK FS-90 carabiner, with safety lock function, ideal for mountaineering and climbing. - Brand: TSTYORON - Model: DAIKEI HOOK FS-90 - Material: Metal - Features: Safety lock function Thank you for looking. FUJIl DENKO TSUYORON FEC DAIKEI HOOK FS-90 For single-point suspension, Tsuyoron For harness Product Features/Basic Specifications Features: Large opening hook with a 50mm gate. Forged iron, with a reliable double safety lock hook. Shape: Hook Locking mechanism: None Material: Steel Specification: Fixed Overall Length (mm): 219 Weight (g): 390 Hole Diameter (Φmm): 20 Hook Opening (mm): 50 This is for site use. If there is anyone who can use it, There are scratches. There is no bending or deformation. The function is not a problem. *Please judge from the photos.