Features: *100% new and high quality *Made of high quality material, durable and practical to use *Comes with screws. *Easy to glide and clean. *Set of 4 Replacement Shower Door Rollers *Great replacement for your old/broken shower door rollers. Specifications: Material: Brass centre, nylon outer wheel and stainless steel screw. Wheels approx: 20,23,25 & 27mm diameter. Applicable glass thickness: 4-8mm Hole size in the glass: 6-8mm. Package Contents: 4 *Single Shower Door Rollers 4 *Screws Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.