Automatic spool filament meter

🎯 Smart and easy to use device• 👁️ Instant display It allows you to easily see the remaining filament on the spool without any effort.• 🌐 Universal compatibility Works with most 1 kg spools on the market.• ⚡ Quick and super precise readings Measures with extreme accuracy to avoid interruptions during printing.• 📏 Intuitive scale Arrow indicator for immediate and unambiguous reading.• ✨ Simple and modern design Clean and minimal lines, perfect for any workstation.• 🔄 Zero surprises during printing Thanks to the gadget, you can check the remaining quantity at any time and notice possible printing problems in advance. ✨ New Addition • 🔒 Slider Lock Cap Now includes a dedicated cap to secure the slider to stop the slider, maintaining the same elegant aesthetic. • 🔧 Snap-fit design Easy-to-use snap-fit mechanism for convenient installation and removal. • 💪 Enhanced durability For maximum resistance, recommend applying a small amount of glue for permanent attachment. Boost MeWas this