4130 Chrome Moly Tube Practice Kit IQ Two of the scrapers have

Two of the scrapers have rounded edges to prevent accidental "digging" in your work

Features Fit standard 3/4" (19mm) diameter bench dog holes

Fits most 4-jaw chucks

Designed for every-day professional use with all 2mm materials

One-touch controller: Patented

4130 Chrome Moly Tube Practice Kit IQ Two of the scrapers haveWant to see how Chrome Moly welds? Need some quick practice before tackling a big 4130 tube project? Here is what you need! Our 3 piece 4130 Chrome Moly Tube Cope Kit is a great tool to use when you want to learn or practice. All tubes in this kit are 1. 25" x . 065" (31mm x 1. 6mm) wall thickness, a perfect average for common chrome moly tubing project sizes. Recommended filler: ER70S 2 . 045" (1. 1mm) diameter or smaller Recommended gas cup: 8# or