Axminster Evolution Series probes have 12.7mm (1 /2
The cranked probe allows you greater access when undercutting inside a hollow form, as with a vase for example. The tip is a fine grade, solid tungsten carbide, cup shaped, circular cutter, 8mm in diameter. The tungsten carbide cutter is sharp and ready to use, and will retain its sharp edge far longer than any HSS tool. The great advantage comes when the cutter eventually begins to lose its edge. Then you simply slacken the retaining screw and rotate the cutter slightly to give you a new sharp edge. With a full 360
Each probe includes a torx wrench for the fixing screw.