Right ventral lock in light alloy for climbing on rope, to be used in combination with the QUICK'UP handle. Main features: external profile of the opening lever, which makes the rising more fluid and efficient; profile of the opening lever hole, which facilitates the use with gloves; design of the lower hole to keep the device parallel to the user; system of release of the cam that is activated with a single downward movement (patented); steel locking cam, produced with technology that implements its wear resistance. Equipped with toothing that preserves the wear of the rope, but is equally effective in locking and rising on the rope. It also has three slots to prevent the accumulation of mud and reduce the effort needed to slide the device up on the rope in any condition (muddy rope, frost, etc); anti-tipping system of the cam; workload increased to 140 kg.