Description:1. Material: Zinc alloy construction, brushed surface treatment, corrosion-resistant, rustless.2. Application: Widely used in fixed glass or wood shelf, such as bathroom glass shelves, wine cabinets, display cabinets, etc. More suitable for use in a dry indoor environment.3. NOTE: According to the thickness of your shelf, select the clip with the corresponding range.Specification:Suitable for: 5-8mm thick.Material: Zinc Alloy.Mounting Hole Inner Thread Dia: 5mm / 0.2".Dimension: 24 x 16 x 20mm / 0.93 x 0.62 x 0.78"(L*W*H)Color: Bright Chrome.Style: Round.Package Content:4 x Glass Shelf Brackets