An increased saving on the individual price when you buy this 3-pack of DMM Boa Kwiklock HMS biners.
The DMM Boa is a large and very strong offset HMS carabiner with a massive gate opening (24mm). The offset shape gives the Boa a lot of extra strength without compromising it's core function as a HMS this means that not only can it handle standard HMS duties well - belaying italian hitches - but it provides a lot of extra capacity and safety when it comes to rigging.
The Kwiklock automatic locking system is the fastest gate locking mechanism and the simplest to operate. It also provides a convenient solution to eliminating the chance that the gate will accidentally be left unlocked. It has a double action requiring a 90° twist of the barrel to allow the gate to be opened. When the mechanism is released, the gate springs shut and the kwiklock barrel springs back to the locking position. This happens almost instantaneously giving excellent security in a minimum time.