Note: Screwdriver maybe rust, but No effect on use. Spanner only fit for E3D heat block (20*16mm and 16*16mm).
Special tools: special spanner and multi-function screwdriver can help you adjustment 3D Printer and change extruder nozzle more easy!
COMPATIBILITY: This printer nozzles are compatible with Anet A8, Creality CR-10, Tevo Tarantula, E3D makerbot, duplicator, prusa i3 and reprap printer.
MATERIAL AND SIZE: These printers nozzles are made of stainless steel, Out Thread: M6, Filament Diameter: 1.75mm, Output Diameter: 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm.
NOZZLE CLEANING NEEDLES: 6 pieces cleaning needles have 6 different size: 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm, suitable for cleaning most of your 3D Printer nozzles.