Zanda Verve Heavy Duty Sliding Lock Kit Sliding Door Lock are specifically designed to secure patio doors and similar entry points that open sideways. Sliding Door Lock Function - equipped with small latches that hook onto a piece of metal in the door's frame to attach double sliding door, the only way to lock the door is from the inside. These are an innovative product where the flush pulls and escutcheon are integrated into one unit. This means a lockable door can be perfectly flush with nothing projecting past the flush pulls. Ideal for a sliding stacker door or a door going into a cavity. Includes: 2 x Verve Flush Pulls with Euro keyholes 1 x 10530 Heavy Duty Style Mortice Lock 1 x 1178 40mm double cylinder Specifications: Function: Sliding Lock Kit Available Size: 200mm x 37mm 250mm x 37mm 300mm x 37mm Available Finish: Graphite Nickel Matt Black Stainless Steel