Eccentric door spindles made of good quality brass, nylon, stainless steel, wear-resistant wheels are smooth and low noise slidingThe roller size 25mm, designed to be used on 4mm - 6mm glass doors, the hole diameter is 12-14mm (12mm recommended)Economy pack of 12 rollers, good value for money, were perfect for replacing old shower door rollersEasy to place, adjustable to allow you to adapt the height of the door, easily mountedFits on all walls especially shower cabin doors and steam cabin enclosures etc. Specifications:Color: As picture shownMaterial: Plastic + Nylon + Stainless SteelType: Eccentric Door SpindlesRoller Size(Dia * W): approx.25mm / 0.98in.Package Included:4x Shower Sliding Door RollerNote: This does not include other things, the color is based on the first picture and other pictures do not show that the effectDue to the differences between different monitors, the picture may not reflect the actual color of the item.Due to manual measurement. Please allow the