When every gram counts, the Sender Twistlock carabiner is the ideal choice for performance-oriented climbers. Ultralight and compact, it is nevertheless easy to handle thanks to its D shape. The Twistlock closure allows quick and automatic locking and can be operated with one hand. The Key Lock nose allows the carabiner to move without risk of accidental snagging. One of the lightest and most compact Twistlock carabiners on the market.