
4 grooved rollers for shower door. Description : 4 wheels and 4 screws supplied. Materials: 304 stainless steel micro-bearings POM brass. Nylon outer wheel Stainless steel screw (M4) – Will not rust. Specifications: A – Wheel diameter: 19mm. B - Wheel thickness: 5mm. C - Diameter of the protruding boss: 10mm. D – Height of the pattern: 2mm. E - Hole diameter: 4mm (M4). Note: The data is all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences , please refer to the actual item received.