4 Pcs Sliding Door Nylon Guide Wheel Floor Guide Roller Stay Roller Guide Material: Stainless steel Name: Locator Scope of application: door Style: modern and simple Package: 4 x Locators Features: 1. Size:Outside diameter:12mm/0.47", Height:15mm/0.59", Hole distance: 25mm/0.98", Base plate size:38 x 20mm/1.49" x 0.78"(L x W). 2. Made of high-quality plastic steel and nylon, strong abrasion resistance and long service life. 3. Suitable for furniture hardware accessories, mobile doors, glass sliding doors and aluminum doors. 4. Roller rolls silently to guide door and prevent swaying. 5. Nylon roller is smooth, quite and gentle on doors without any creaks.