Double Shower Door Rollers for Sliding Shower Doors Function: Suitable for most shower rooms, shower rooms, and steam rooms The maximum glass thickness should be 6 mm. Easy-gliding rollers, easy to clean Quick release Install the sliding glass shower door, the distance between the center of the fixing hole and the edge of the glass is 18 mm. The truck is fixed in place with nuts and covered with a chrome-plated plastic cover to make it beautiful and easy to clean. Adjustable up and down, so the door can be aligned to fit a pair of door frames or magnetic seals. The rotary motion is also suitable for curved and quarter-circle showers. Specification: Wheel Diameter: 23mm Wheel Width: 5mm Dimensions: 52 x 30 x 35mm Material: 304 stainless steel miniature bearing, POM zinc alloy brass shaft Package Included: 2 * Double/Twin Shower Door Rollers for Sliding Shower Door