Evolution CUTTERKIT3S Magnetic Drilling Cutter Kit x3 Pcs 25mm Evolution Cyclone Premium Annular Cutters will make the difference if your business relies on the ability to drill fast, accurate holes in heavy-duty steel. Made in the UK, you’ll not find a better cutter for all types of construction, civil engineering, offshore installation, Petrochemical, railway, and maritime fabrication. Included in this kit are 1x 14mm, 1x 18mm & 1x 22mm wide, x 25mm long annular cutters plus 1x pilot pin. FEATURES Can be heat treated up to 68 RC and still retain their tempered hardness Better economy, performance, and durability, so you can cut holes more economically and quickly Made in Britain