uxcell Bathroom Shower Door Roller Wheel Pulley 28mm Dia 10pcs Package Content: 10 x Shower Door Roller Pulley; Weight: 253g Material: Plastic,Metal; Product Name: Shower Door Roller Pulley Main Color: White,Silver Tone; Total Size: 28 x 40mm/1" x 1.6"(D*H) Wheel Size: 28 x 6mm/1" x 0.24"(D*T) Minimum Glass Hole: 12mm/0.5"