Features:_x000D_ _x000D_ high quality. _x000D_ Designed for use on 5mm or 6mm glass doors. _x000D_ Easy glide rollers and easy clean. _x000D_ Wear resistant wheels feature smooth, low noise sliding. _x000D_ The shower door rollers set include 4 upper rollers and 4 bottom rollers. _x000D_ Made of plastic, nylon, 304 stainless steel and other material, not easy to rust. _x000D_ Perfect for most shower enclosures, shower cabins and steam cabin enclosures. _x000D_ _x000D_ Specification:_x000D_ Condiiton: Brand _x000D_ _x000D_ Color: As picture shown _x000D_ Type: Single wheel / Double wheel (Optional)_x000D_ _x000D_ Material: Body: Nylon, Shaft: Aluminum, Wheels: Polyacetal, Others: Stainless Steel Screws_x000D_ Minimum Hole size in the glass: 10mm (can fit 10mm - 12mm)_x000D_ Fix the center of the screw to the end of the roller: 18mm_x000D_ Wheel Size: (Dia.) x (H) 25 x 5 mm / 0.98" x 1.97" (appr.)_x000D_ Door Roller Size: (L) x (W) 55 x 43 mm / 2.17" x 1.69"(appr.)_x000D_ _x000D_ Package Included:_x000D_ 8 x Shower Door Rollers (4 upper rollers and 4 bottom rollers with the screw and cover caps)_x000D_ _x000D_ Notice:_x000D_ Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering._x000D_ Please understand that colors may exist chromatic aberration as the different placement of pictures. 1Designed for use on 5mm or 6mm glass doors. 2Easy glide rollers and easy clean. 3Wear resistant wheels feature smooth, low noise sliding. 4The shower door rollers set include 4 upper rollers and 4 bottom rollers. 5Perfect for most shower enclosures, shower cabins and steam cabin enclosures.