uxcell Screw Mount 5-8mm Glass Shelf Clip Holder Support Board Bracket 30pcs Package Content: 30 x Glass Shelf Supports; Weight: 254g Product Name: Glass Shelf Support; Material: Zinc Alloy, Plastic Main Color: Silver Tone, White; Fit for Shelf Thickness: 5-8mm/ 0.2"-0.3" Total Size: 22 x 15mm/ 0.86" x 0.6"(H*D) Threaded Hole Dia: 5mm/ 0.2"