Description: Brand new. Made of 304 stainless steel, rust-proof and durable. Easy to install, the rubber seal can be firmly and securely attached to the fixing in the glass, hold the glass firmly, good for fixing glass of parapet, stairs, handrail, etc. Suitable for 8-10mm thickness glass, with the rubber layers and micro adjustment screw, you can use the hex diver to loosen or tighten the screws. How to install: 1.Use a hexagon driver to loosen screws ( the screw driver is included in the package) 2.Insert the glass into the gap and tighten screws with the screw driver. 3.The micro-adjusting screw is optional for use to make the connection tighter. .