The Straight Gate Carabineer is constructed from aircraft-quality 7000-series aluminum and has a reinforced frame for greater strength. This Carabineer from Tru Spec has an unmatched 31kN strength rating that no other general purpose light aluminum carabineer comes close to. All rope bearing surfaces on the Straight-Gate Carabineer Clip are true radii - no flat spots to wear out ropes prematurely. CE and UIAA certified. Made in USA. Note: Always read the instructions and warnings that accompany your equipment.