Two new RotaCut Sheet Metal Hole Cutter Master Kits are now available. Both kits contain 16 different sizes of RotaCut that can be used to drill in materials up to ¼-in. thick. The fractional kit has cutters from ¼ to ¾ in. and the metric kits include cutters from 6 mm to 20 mm. Each kit is packaged in a plastic storage kit and includes arbor assembly, extra pilots, center punch, washers, and instructions.