Mounts Lab Aluminium Quarter-turn Tab Kit, Compatible with Garmin Edge 540/550 and Edge 840/850 series, replaces your device's factory plastic mounting tab with a durable CNC aluminium version. This kit replaces your device's factory plastic mounting tab with a durable CNC aluminium version, ensuring a stronger and longer-lasting connection to your Mount. ⚠️ Important Notes: Screws are NOT included – please reuse the original screws from your device. Installation requires a Phillips screwdriver. Package includes: 1 aluminium quarter-turn tab only. Ideal as a repair kit, replacement tab, or aluminium upgrade, this product gives you peace of mind that your device stays locked in place during every ride. ✅ Compatible with Garmin Edge 540/550 / 840/850 ✅ Stronger than plastic, CNC aluminium build ✅ Requires original screws + Phillips screwdriver for installation