Godrej & boyce mfg. Offers ultra vertibolt door lock. It has a vertically interlocking deadbolts made from tough, special high-grade zinc alloy provide resistance to prying open / jimmying. Its lock body and receptacle in scratch-resistant powder-coated finish. It has high-quality 14-pair pin cylinder mechanism makes ultra locks unpick able. It has computerized dimples ultra key are available in over 100 million key combinations. This lock is ideal for balcony and garden doors, wardrobe doors, wood and steel doors, sliding doors, folding doors ,single and double shutter doors, grill doors.