Fangrui Product Details Packaging Content: You Receive A 26 -set Printer Nozzle Cleaning Kit, Including 20 Sizes Of 20 Nozzle Cleaning Needles, 2 Tweezers, 2 Clean Copper Wire Brushes And 2 L -shaped Wrench Tools. The Combination Allows You To Easily Maintain The Nozzle. Convenient Storage: Clean Needles Are Stored In A Separate Storage Tube To Prevent Cleaning Needles From Being Lost And Easy To Use. High -quality Materials: Cleaning Needles Are Made Of High -quality Stainless Steel, And Steel Wire Brushes Are Made Of Copper Wire And Plastic. It Is Solid And Reliable, Flexible, Not Easy To Break And Deform, And Has A Long Service Life, So You Can Use It With Confidence. Copper Wire Brush: It Is Suitable For The Heating Bed For Cleaning The 3d Printer Nozzle; When You Use A 3d Printer Nozzle To Clean The Nozzle, Please Heat The Nozzle To Remove The Stains More Convenient And Effectively. Easy To Assemble And Disassemble: There Are Two L -shaped Wounds In The Kit. The Diameter Of The Hexagonal Port Is: 6mm Suitable For T