Liberty Mountain Lm d Bright LMD6. The carabiner has a 20 mm gate opening is designed to accommodate most climbing harnesses and features a durable aluminum composition. The climbing carabiner meets CE and UAA specifications with a 27kN breaking strength and 6070 strength rating. Features of Liberty Mountain " ""d"" Carabiners" The D Climbing Carabiner is a lightweight and durable climbing accessory. 20 MM Gate Opening On The Climbing Carabiner Is Designed To Accommodate Most Harnesses Rappelling Carabiner Features A Durable Aluminum Composition Breaking Strength: 27kN Strength Rating: 6070 Meets CE & UIAA Specifications WARNING: California Residents Click Here For California Prop 65 Warning. Package Contents: Liberty Mountain " ""d"" Carabiners" Liberty Mountain Lm ''d'' Bright LMD6