APP EVERYWHERE: Castors for shower cubicles, bathrooms, and jacuzzi enclosures. These rollers allow for easy opening and closing of shower doors. EASY FOR YOU: Replace the shower door roller guide yourself with simple tools. Typically, all you need is the correct shower enclosure type and a screwdriver. HIGH QUALITY: The shower enclosure roller set is a premium quality sliding door roller. Designed for high strength, excellent flexibility, and smooth sliding performance. NO MONEY SPENDING: Fix shower door roller issues quickly and avoid unnecessary expenses. EASY SLIDING: Suitable for shower cabins, massage cabins, bathrooms, jacuzzis, and furniture applications. Ensures doors and sliding systems operate smoothly. Material: Made of plastic and copper. Size: 5 x 25mm. Roller diameter: 25mm. Wide application: Compatible with most shower enclosures, bathrooms, and steam rooms using 4-6mm glass and 15-17mm mounting holes. Easy to install: Installation can be completed with a screwdriver. Package includes: 4 shower door rollers.