10 Pieces MK8 nozzles: the input diameter of 3D printer nozzle is 1.75 mm, output diameter is 0.4 mm, and the hexagon diameter is 6 mm; Compatible with 3D printer -10, MK8 Reprap Prusa I3, and fit for all 1.75 mm PLA ABS 3D printer Tweezers: 3D printing tweezers are good for nozzle maintenance and cleaning excess support material; It is anti-static, non-magnetic curved precision tweezers Needles: 10 pieces of 0.4 mm diameter flexible stainless steel needles which is good for gentle maintenance of your nozzles and hard-to-reach places like the feed gears Features: the 3D printer nozzle and cleaning kit is a long-lasting kit for several purposes; Remove excess plastic and clear jams with high precision, also good for general maintenance of the heat sink section 3D printer nozzles specification: Color: photo color Material: brass Hexagon diameter: 6 mm Screw thread: M6 Package Contents: 10 x 0.35 nozzle cleaning needle 10 x MK8 brass nozzle 1 x Clean the needle tube (random color) 1 x 17th Warm notes: Small parts, please keep away from children. Note: Random color, don't accept the specified color. Only the above package content, other products are not included. Note: Light 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.