Specifications - Glass clamps are suitable for 3 glass thicknesses. Here are 3 sizes for your choice: 6mm to 8mm (55 x 33 x 20mm), 8mm to 10mm (50.80 x 40.64 x 25.40mm), 10mm to 12mm (63.50 x 40.64 x 25.40mm) (HxWxD). Before purchasing, please ensure that the size of the glass clamps matches your glass to ensure proper use. Premium Quality - These glass clamps are made of high-quality 304 stainless steel, which is durable, sturdy, rust-proof, waterproof, and heat-resistant. Perfect choice for indoor and outdoor environments. Easy Installation - Glass railing clamps come with 2 Allen wrenches (hex keys), which make the clamp screws easy to loosen or tighten. Simply insert the glass into the gap and tighten the screws. Follow the simple installation steps mentioned in the infographic image. Easy installation will improve your efficiency. Adjustable - Glass holders can be adjusted to the appropriate glass thickness using 2 rubber layers and a micro-screw. Rubber stoppers can stably and securely fix the glass and provide safety during use. Widely used for railings, stairs, handrails, etc. 24/7 Customer Service - Before ordering, please measure your glass thickness. If the product is damaged or the wrong size, go to the ORDER PAGE and send us a message, and we will be happy to assist you with a full refund or replacement.