About this item Size: 98 x 65 x42 mm, Material: Stainless Steel Body, Copper keys No Drilling: Before installation, using the hexagon wrench to loosen the screws. Tips: 1. The anti-lock button needs to be pushed and then rotated. 2. This lock is suitable for 10~12mm thickness frameless glass door and tempered glass door. Four-layer steel plate: The four-layer steel plate is combined with a ring lock, which is more complicated and stronger. Compared with a single thin ring lock, it is more practical and stronger. Wide Application: These locks are perfect for family house, flat gate, office door and hotel bathroom applications. Material: 304 Stainless Steel Body These locks are perfect for family house, flat gate, office door and hotel bathroom applications. This lock is suitable for 10~12mm thickness frameless glass door and tempered glass door. Thickened cushion pads: The two sides in contact with the glass door are provided with cushion pads to prevent the glass door from being hung by the door lock. It is more convenient and firm to install without drilling. The four-layer steel plate is combined with a ring lock, which is more complicated and stronger. Compared with a single thin ring lock, it is more practical and stronger. 1. You need to loosen the screws and buckle the lock into the glass door. 2. Tighten the screws. 3. Mark the other door. 4. Install the door lock on the other side according to the markings.