If you're looking for an lightweight carabiner, try Grivel Mega K6N HMS ScrewGate Anodized Carabiner. Made from 7000 series aluminum, the Mega K6N HMS ScrewGate Anodized Carabiner is made of the same alloy used for ice axe shafts. It offers the best balance between weight, breaking strength and durability. The Mega K6N is also forged using the same technology as for ice axes. Each carabiner is individually strength tested and has its individual test number laser carved on it.
Major axis: 21kN
Minor axis: 6kN
Dimensions:Length: 110mm, Width: 72mm, Gate opening: 25mm
Gate open: 10kN
Weight: 78 g