2Pcs 6 Inch Flush Bolt for Double Doors, Security Door Locks

Hidden bolt size: overall size of the black bolt, 6.02"x0.79"x0.67" /15.3 x2 x1.7cm, bolt bar dia 0.39"/ 1cm, with strike(1.46"x0.71" /3.7x1.8cm)and screws( height 0.72"/1.9cm and height 1.14"/2.9cm) | Heavy duty 6" metal door flush bolt: these French door lock latches are made of solid stainless steel, sturdy construction for long service to achieve the security features | Concealed style: it is completely hidden within the door body, making it hard to see any latch, bolt, or handle from either side of the door, maintaining the integrity and smoothness of the door panel's surface, keep it unified coordination | Enhance securitysince the latch is hidden inside the door frame, it is not easy to break from outside of the door, significantly increasing the difficulty of unlocking | Wide application: the flush bolt can be installed on inactive leaf of French, patio, wood, composite or double doors, on both top and/or bottom to trengthen security