Material: Made of zinc alloy, durable and sturdy, chrome-plated. Rust-proof, good corrosion resistance, high precision, durable and long-lasting. Easy to install, slides onto the edge of the glass door in any position; no drilling required. Package includes: 4 glass cabinet locks; 8 knobs. Wide application: Ideal for cabinets, storage cabinets, drawers, toolboxes, and mailboxes. Can be used on glass doors. Allows you to easily lock and secure your belongings. Suitable for various reptile terrariums or glass display cases. Metal structure. International products have separate sales terms abroad and may differ from local products, including in terms of style, age, language, labeling, or instructions. Features: 1. High-quality and durable metal sliding lock specially designed for glass display cases. 2. Easy to install; can be slid onto the edge of the glass door in any position (no drilling required). 3. The rod slides between the glass panes and is screwed in, then the body slides onto the rod and clicks into place. Specifications: Material: Zinc alloy. Surface treatment: Chrome-plated. Color: Silver. Type: Alike key. Suitable for 2-6 mm glass. Contents: 4 glass cabinet locks. 8 keys. Note: 1. Product size information is for reference only. Please allow an error of 2.5-5 cm due to manual measurement. Thank you. 2. The color of this item may differ from the picture depending on your computer screen's display and brightness settings.