This 3-piece kit of Evolution Cyclone Annular Mag Drill Broaching Cutters is a must-have for any metalworking enthusiast. The kit includes cutters with diameters of 14, 18, and 22mm, and is suitable for use with Rotabroach and JEI Turbo. These cutters are made of high-quality M2 steel and are perfect for drilling into a variety of materials. The kit is manufactured in the United Kingdom and comes with a unit quantity of one. The cutters are suitable for use with mag drills, hole saws, and as a short version Rotabroach or JEI Turbo cutter. This kit is a great addition to any metalworking supplies and is sure to save you time and money in the long run.