The SKYLOTEC H-150 Sidewinder carabiner is incredibly durable, made of steel and featuring a twist lock gate. This large carabiner is ideal for a variety of at height work. It meets or exceeds OSHA and ANSI fall safety standards. With a vertical breaking load of 40 kN (8992 lbs.) and weighing less than a pound, it has a great strength-to-weight ratio. Strength, with a large gate opening and metal separator option, make this asymm.etrical pear-shaped carabiner a popular choice for many customers.