The GM990 MkIV is a 8 pin re-programmable radial pin tumbler pushlock that has 'push to lock, key to open' function, manufactured by Camlock. This product offers the users can identify the number of operator and can change keys needed to avoid the risk of surplus keys falling into the wrong hands. It also produces a combination of key with other 8 pin Octagon Camatic products. The internal parts of this pushlock are made out of strong brass. The users can benefit with an extra-security of this pushlock due to its die-cast housing and chrome plated flange.