uxcell Furniture Glass Suction Cup Shelf Support Pin Bracket Holder 40 Pcs Color: Silver Tone, Clear Blue; Total Size: 23 x 13 x 8mm/ 0.9" x 0.5" x 0.3"(L*W*H) Material: Rubber, Metal; Net Weight: 178g Package Content: 40 x Shelf Support Pins; Product Name: Shelf Support Pin Suction Cup Dia.: 13mm/ 0.5" Pin Dia.: 5mm/ 0.2"