Note: Please remove the blue or white protective film from the glass lock before use. Size: 98 x 67 x 40mm, Material: Stainless steel body, Copper keys No drilling: easy to install, use hexagon socket screws to reinforce. 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 shops, offices, businesses, family homes, flat doors and hotel bathroom applications. Tips: This lock is suitable for 10~12mm thick frameless tempered glass doors. You can also use glass glue to reinforce. Size: Single Lock Features: No Drilling: you don't need to drill the holes, before installation, you loosen the screws then use hexagon socket screws to reinforce. Four-layer steel plate: the plate of four-layer steel is combined with a ring lock, which is more complicated and stronger. Compared with a single thin ring lock, it