Non-slip design: features precise anti-slip screws with a top made of non-slip silicone material, effectively protecting the glass from scratches and ensuring a secure fit. Adjustable size: the adjustable design can be installed on glass with various diameters, eliminating concerns about glass loosening and slipping. Solidly thickened: this glass holder utilizes a classic semi-circular design to enhance load capacity, making it compact, aesthetically pleasing, and practical, with a simple appearance that complements your glass perfectly. Waterproof and moistureproof: these adjustable glass clamps are crafted from aluminum alloy with a smooth surface, ensuring strength, stability, wear-resistance, and durability. Easy and practical: once the glass clips are installed, simply affix them to the wall and attach the glass plate using the grooved non-slip silicone screws, providing comfort and stability. Color: Black Material: aluminum alloy Sizes include: S for 6-8 mm thickness, M for 8-10 mm thickness, L for 10-12 mm thickness Package includes: 4 pcs* glass clips.