Shinwa 1-15mm Taper Gauge with Metal Case drawing circles It has a manganese steel

It has a manganese steel blade that is hardened to HRc 61 and has a 25 mm radius hook which makes it idea for carving concave recesses in spoon and bowls

One edge of the dog head is slightly curved and angled at 2 degrees to allow it to bite into the wood being held

After these adjustments

they are handy to have on hand for critical machine set up and also checking the accuracy of other squares that may have gone out of calibration

All that is required is wetting the surface of the stone with water

Shinwa 1-15mm Taper Gauge with Metal Case drawing circles It has a manganese steelThis taper gauge from Shinwa is a very useful tool for making a variety of measurements including size of dados, holes, pipes, gaps etc, between 1 and 15 mm. It can also be used to quickly set up plunge depths on drill presses and routers. When using the gauge to measure gaps between parallel surfaces the reading is read directly from the gauge and when measuring diameter, a correction is applied using the table on the back of the gauge to compensate