Metric Rotobroach Cutter Kit Contains seven of the most popular sizes of Rotabroach Cutters.. A must have for any tool box or fabricator. For materials up to 1/4 (6.4mm) thick. Includes: 8, 10, 12, 14, 16, 18, & 20mm cutters, arbor (11122), hex wrench, center punch and extra pilots.. Made in USA. 11092 No -