Both locking functions also have a handle function. With handle knob type ship, yacht, mobile home. Suitable for 15-27 mm thick doors and handles. When the button is pressed, the button out and forms a handle simultaneously with the release of the latch. It can also be used for drawers to hold the cabinet door or cabinet place. Perfect for yachts, zippered drawers, ship desks, cabinets, closet doors, closets. Easy to use. and practical. Cut hole (diameter): 20mm Adjust all door thicknesses: 15mm - 27mm / 0.59 - 1.06 inches Size: about.35 x 50mm / 1.37 x 1.96in Colour: white Material: zinc alloy + ABS Package Contents: 5 * Drawer locks 5 * Boards 20 * Mounting screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.