Incannel and outcannel gouges, carving gouges, turning tools - they all need hand honing to work best. Conventional curved slip stones are too short and most have a single radius. These new 10" long monocrystalline steel-backed diamond surfaces handle both convex and concave surfaces with huge range - a radius of 1/16 to 1".
Two choices: Medium/Fine 600 grit (25 micron), and Extra Fine 1,200 grit (9 micron). This innovative design permits much longer strokes than possible with any alternative. Productive tools for a lifetime.
Made in the USA.