Features:*100% brand new and high quality*Made of effective material, durable and reasonable to use*Wheels approx. 19/23/25/27mm diameter x 6mm wide*Minimum Hole length within the glass: 6mm*They are adjustable up and right down to allow the door to be coated up to mate with the body or magnetic sealSpecifications:Wheel diameter: 19/23/25/27mm.Wheel thickness: 6mm.Diameter of hole in glass: 3-7mm.Glass thickness: 4-6mm.Package Contents:2 x Twin Shower Door Top Rollers2 x Twin Shower Door Bottom RollersNote:1. The real coloration of the object could also be slightly assorted from the pictures proven on online page caused by many factors reminiscent of brightness of your display screen and light brightness.2. Please allow slight manual dimension deviation for the data.