This BLUMOTION softclose system is for use with the blind corner & bi-fold hinges. Unlike the other softclose systems featured, this mechanism is a stand alone system & can be tapped into a 10mm hole drilled into the edge of the carcass. Alternatively they can be locked into the adaption plates & screw fixed to the inside of the carcass. Sold in packs of 5. Type 3 Blumotion Softclose Mechanism