Uxcell a15121900ux1056 Glass Shelf Clamp,Several Installing Parts 8Mm Thick Glass Shelf Bracket Support Clip Clamp Silver Tone 20Pcs Product Name: glass shelf clamp; material: metal, rubber Weight: 374G; Package Content: 20 x glass shelf clamp,several installing parts Main Color: Silver tone; mounting hole diameter: 4mm/0.16" Fit glass thickness: max: 8mm/0.3"; total size: 26 x 19 x 14mm/1" x 0.7" x 0.55"(L*w*h) Mounting hole center distance: 15mm/0.6"