Through trial and error, i found that this carabiner truly delivers in terms of strength and reliability .It's made from high-quality stainless steel, which ensures it can withstand even the harshest conditions. The spring mechanism is smooth yet sturdy which means I can trust it to securely hold all of my gear. The only downside is that it's a bit heavy, but I'm willing to overlook that in exchange for the peace of mind that it provides. Overall, a great buy for anyone in the industrial and scientific fields..