From The Jens Anso Site… THIS MY TITANIUM CARABINER PROJECT V.2 . CNC MILLED IN MY SHOP FROM .200’‘ THICK TITANIUM 6AL4V. MEASURES APPROX 3 1/2’‘ X 1 1/2’‘. SPRING CUSTOM MADE FROM STAINLESS STEEL. WEIGHT IS APPROX 1.3 OZ. THESE HAVE BEEN BEADBLASTED, ANODIZED AND STONEWASHED. AVAILABLE IN THE FOLLOWING COLORS: GREY, BLUE,GREEN, BRONZE AND GOLD