Ultra Sharp No-Chip Countersink Fingerboard Insta-Cure™ has a water-thin viscosity

Insta-Cure™ has a water-thin viscosity that wicks deep into joints by capillary action and cures in a matter of a few seconds

Say hello to effortless precision and bid adieu to the frustrations of traditional countersinking methods with our cutting-edge solution

the top and bottom smooth flat edges go through a 3-step precision grinding process with an accuracy tolerance of +/-

Worried about dust

Ultra Sharp No-Chip Countersink Fingerboard Insta-Cure™ has a water-thin viscosityMany fantastic uses for this sharp countersink. Ultra sharp and only requires fingertips to turn ever so slightly. Go slow they work super fast! Remove Lacquer for Installing tuner bushing Chamfer Screw holes for pickguards, string trees, tuners, cover plates, thru string bushings, etc.. Bridge Pin Chamfer, End Pin Chamfer 3 8" Dimensions: Head Shape 90 degree countersink Head Diameter 3 8 Length of Cut 3 16 Shank Diameter 1 4 Overall Length 2 1 2 Cut