Liberty Modified ""D"" carabiners are heat-hardened to hold 50kN and nickel plated to withstand intense abuse, Screw Gate, Twist Lock and our three-stage Auto Lock versions give you the right tools to work and play safe, Huge selection to choose from, Using only the highest quality materials, Satisfaction ensured, Providing you with great selection and quality, Liberty Mountain Lm Hard Steel Modified D Tl, SKU: LBMT12813