For sliding door or similar applications, the GT990 is a strong, 10 pin radial pin tumbler pushlock offering over five million key combinations. The lock features an anti-drill center. The internal parts are made from solid brass for reliability and durability. The die-cast housing and flange have a chrome plated finish. The lock offers a simple 'push to lock, key to open' operation, a choice of keying options and compatibility with all Camlock’s other conventional 10 pin radial pin tumbler locks.