Precision circle cutter with ergonomically shaped grip for cutting circles out of wood, especially for cutting the guitar sound hole. A scale facilitates a quick infinite adjustment of the diameter, Infinitely adjustable left bevel blade.

Material: Brass, blade holder nickel-plated steel, blade from high speed steel, tempered to 63 Rockwell 

Technical Details: Circle-Diameter 38 - 160 mm (1.25" - 6.3").