MUXSAM 3D Printer Nozzle Cleaning KitFeatures:Adopt new technology and not easy to breakAffordable and practical solution to blocked nozzles due to dried ABS/PLA filamentCompatible with most well known 3D Printers on the market (e.g. Duplicator, MakerBot, RepRap etc.)How to choose:You can choose a drill bit that is same size or one size down your nozzle, for example, if you had a 0.3mm nozzle to clean, you can buy a 0.3mm or 0.2mm drillSpecification:Material: Stainless SteelSize to choose:0.15mm cleaning needle: total Length: 50mm/1.97",Dia*Length: 0.15*25mm/0.006"*0.98";0.2mm cleaning needle: total Length: 50mm/1.97",Dia*Length: 0.2*25mm/0.008"*0.98";0.25mm cleaning needle: total Length: 50mm/1.97",Dia*Length: 0.25*25mm/0.01"*0.98";0.3mm cleaning needle: total Length: 70mm/2.76",Dia*Length: 0.3*40mm/0.012"*1.57";0.35mm cleaning needle: total Length: 90mm/3.54",Dia*Length: 0.35*60mm/0.014"*2.36";0.4mm cleaning needle: total Length: 85mm/3.35",Dia*Length: 0.4*50mm/0.016"*1.97".Package list:1-Box (5-Pack) x Nozzle Cleaning Drill bit