Features:_x000D_ _x000D_ Designed for use on 5mm or 6mm glass doors. _x000D_ Made of plastic, nylon, 304 stainless steel, anti-rust and reliable. _x000D_ Wear resistant wheels feature smooth and low noise sliding. _x000D_ Suitable for most shower rooms, showers and steam cabin enclosures. _x000D_ The shower door rollers set include 4 bottom rollers. _x000D_ _x000D_ Specification:_x000D_ Condition: Brand _x000D_ Color: As picture shown_x000D_ _x000D_ Material: Plastic+Nylon+304 stainless steel _x000D_ Type: Single wheel / Double wheel (Optional) _x000D_ Minimum hole size in the glass: 10-10.5mm (can fit 10mm - 12mm)_x000D_ Fix the center of the screw to the end of the roller: 18mm_x000D_ Roller size(Dia*W): approx.25*5mm / 0.98*0.2in_x000D_ _x000D_ Package Included:_x000D_ 4* Bottom Rollers _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. 2Made of plastic, nylon, 304 stainless steel, anti-rust and reliable. 3Wear resistant wheels feature smooth and low noise sliding. 4Suitable for most shower rooms, showers and steam cabin enclosures. 5The shower door rollers set include 4 bottom rollers.