Features: Totally 10pcs 0.2mm /0.25mm/0.3mm/0.35mm/0.4mm (Optional) stainless steel needles, 1pc plastic bottle, will excellently clean 3D printer filament clog. Sturdy and Durable Material: 3D printer tools are made of stainless steel. Rust-resistant and Non-break. Easy to twist and flexible.Long service for time and no harm to the nozzle. Solve Clog Problem: Cleaning 3D Printer"s nozzles and solve the filament clog problem easily. Great for nozzle maintenance, cleaning up extruder hot ends and excess materials. (PLA/ABS filament) Wide Compatible: Widely for most 3D printers extruder nozzles on the market, e.g.e3d- MK8, MK10,etc. Specifications: Item: Nozzle Cleaning Needles Size:approx 7.5cm/2.95in Material: Stainless Steel Drill Type: 0.2mm /0.25mm/0.3mm/0.35mm/0.4mm (Optional) Quantity: 10PCS/ Per Box Fit for: e-3d V6 Nozzle 3D Printers Parts Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 10PCS x Stainless Steel Needles 1PC x Plastic Storage Bottle