GK19 39PCS Tube Cleaning Wire Brush Set Brass/Nylon/Stainless Steel Wire Test Tube Bore Brush with Hex Shank Handle 6-inch Extension Rod Carrying Case Suitable for .32 / .325 / .38 / .380 / .357 / .35 / .38 / .40 / .44 / .475 / .480 / .50 / .57 / .68cal

Features:
[Suitable Calibre]For .32 / .325 / .38 / .380 / .357 / .35 / .38 / .40 / .44 / .475 / .480 / .50 / .57 / .68 calibre.
[Easy to Clean]Easily cleaning dust, rust stain, hole and cavity of automobile engine, light socket, cooling tube, etc. that your hands can't reach.
[Various Brushes]Different kinds of brass/nylon/stainless steel wire brushes, and various brush sizes from 8mm to 19mm are suitable for most of tubes/pipes.
[Extension Rod]Comes with a 6-inch extension shaft for reaching long, and detachable handle for easy replacement.
[Easy Potability]Comes with a re-attached tool case with labeled slots to keep your tools organized. Each brush has it's own spot with size for easy identification.
Note:
*Product is randomly sent in red or blue.
*Please allow an 1-3cm error due to manual measurement.