Optimal Cleaning Efficiency: Designed specifically for 3D printers, this Double-head embedded nozzle cleaning brush ensures precise and thorough cleaning of your printer's nozzle, enhancing performance and . Silicone Bristles: Crafted with high-quality silicone, the bristles offer just the right flexibility and stiffness to remove debris without damaging the nozzle. Versatile Use: Suitable for a wide range of 3D printers, making it a must-have tool for both professional and hobbyist settings in labs. Color: Orange & Red Material: PLA+Silicone Package Contents: 4 * Cleaner Nozzle Brush 4 * wrench 4 * screw 4 * nut 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.