Glass Clamps: 6 Pcs Glass Clamps, S Size 53X33X20Mm, Suitable For 68Mm Glass. The Flat Base Allows Installation On Square Tubes Or Other Flat Surfaces. Durable And Solid Material: The Glass Clamps Are Made Of 304 Stainless Steel, Which Increases Durability And Resistance To Oxidation And Corrosion-Proof, Is Stainless, Water-Proof And Heat-Proof, Not Easy To Damage. Adjustable: Each Glass Clamp Holder Comes With A 2-Piece Rubber Gasket And A Micro-Adjustment Screw For Sturdy Construction And A Good Grip On The Glass. Easy To Install: Comes With The Allen Wrench, Easy To Loosen Or Tighten The Screws. Wide Range Of Use: These Glass Clamps Are Stable And Secure, Ideal For Fixing The Glass Of Balustrade, Stairs, Handrails, Etc.