Robert Sorby Double-ended Woodturning Calipers spoon making The original Superflute HS1 designed

The original Superflute HS1 designed in 1978 by Roy Child is perhaps the most famous woodturning tool of all time

The cutting edge is ground to a primary bevel at 25 degrees and a secondary bevel at 30 degrees

photos currently display boxwood

but where more accuracy is required

Unlike deeper gouges

Robert Sorby Double-ended Woodturning Calipers spoon making The original Superflute HS1 designedRobert Sorby double ended calipers for Woodturning. A very useful tool for helping woodturners measure both thickness and diameters. Measurement taken at one end automatically transfers to the opposite end. Made from chromed laser cut steel, these calipers are useful for measuring the wall thickness of hollow vessels and for bowl turning.. These Robert Sorby double ended woodturning calipers are an indispensable addition to the woodturner's armoury