Notchless carabiners are great, but until the Smooth showed up, they"ve all been well over 50gm and very old school * A classic by any other name, the Smooth Wire Gate may be the best all "round carabiner we make * 36g The Smooth Straight and Bent Gates weigh in at 40gm each making for a very light and very smooth clipping experience Beautifully forged with smooth lines and a smooth gate action * The notchless gate makes for easy clipping and snag-free operation * The wire gate resists gate flutter and whiplash so you can use it confidently just about anywhere Note: The Smooth Wire Gate is a traditional notched design