Perfect fit for Bambu Lab AMS, specifically designed for Bambu A1, P1, and X1 series printers with AMS. Durable ceramic construction offers excellent wear resistance, heat resistance, and friction reduction. Effectively protects the AMS inlet from long-term filament abrasion. Stabilizes filament feeding, reducing scratches and deformation around the inlet. Helps maintain smoother, more consistent extrusion for better print quality. Specifically designed for Bambu A1, P1 and X1 series printers with AMS, this ceramic inlet ring protector guard fits precisely at the filament entry point to enhance reliability and longevity. Made from high-quality ceramic material, the inlet ring offers excellent wear resistance, heat resistance and friction reduction, effectively protecting the AMS inlet from long-term filament abrasion. The protector guard stabilizes filament feeding, reduces scratches and deformation around the inlet, and helps maintain smoother, more consistent extrusion for better print quality. Color: Black Material: plastic Package Contents: 8*Ceramic Inlet Ring Protectors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.