Fine sizes assorted - 0.15 mm, 0.25 mm, 0.35mm, 0.4 mm and 0.5 mm cleaning needles not only suitable for most of sizes nozzle but also they can use for cleaning other small parts, such as throat and feeder gear Premium material - SIQUK 3D printer nozzle cleaners are made of premium stainless steel material, sturdy, durable and flexible, easy to twist Wide compatibility - compatible with most of 3D printers extruder nozzles offered from E3D Makerbot, MK8 Makerbot RepRap Practical tools - come with 2 different shape precision tweezers and 1 piece cleaning cloth, help you cleaning excess filament gear material and keep nozzles clean Package include - there are 30 pieces 3D printer nozzle cleaning needles in 5 different size, 2 pieces different sharpe precision tweezers and 1 piece cleaning cloth, totally 33 pieces nozzle cleaning kit