Material: It is made of rust-proof zinc alloy, waterproof and heat-resistant. Easy to install and use, solid base, strong load-bearing capacity, non-slip silicone suction cup It looks elegant and delicate with its chrome appearance which matches perfectly with your glass. With rubber layers and micro adjustment screw, it is suitable for different glass thickness (8-10mm). High quality: Made of stainless steel to ensure quality and durability in wet weather. Polished Finish: Polishing treatment and protection helps resist corrosion and keep as new after long time use. Thicker Material: Thicker clamp arm provides better load bearing capacity. Non-slip rubber particles can prevent shifting, thus fixing the glass securely. Specification: Color: silver Size: as shown Quantity Sold: 8 pcs Material: Zinc alloy Loosen the screws. Insert the glass into the gap and tighten the screws with the screwdriver. Micro adjustment screw is optional to tighten the connection . Tips Different lighting and display may cause a slight color difference between the product and the actual product. The measurement tolerance is +/-1-3mm.