Metric Forstner bits are essential if you work with European-style concealed hinges.
Made to the same high quality as Stern imperial-sized bits.
A rim-guided metric Forstner-bit will slice cleanly through wood fibers.
Bore an arc or circle with a perfectly flat bottom from 10mm to 50mm in diameter.
With the huge popularity of European hardware, metric sizes are becoming very important. Overall length is 90mm (3-35/64")