Cosmanized Half-Blind Chisels: WoodRiver 3/8 Inch hideNBIS a workbench light is a

a workbench light is a must

then you hone the primary bevel to achieve a razor sharp edge

That hook is suppose to move the exact thickness of the metal it is made out of so it measures the same if you are hooking it on something or butting it up against a something

It is a way to purchase a Rob Cosman IBC Chisel at a discount

Cosmanized Half-Blind Chisels: WoodRiver 3/8 Inch hideNBIS a workbench light is aIf you have ever cut a half blind dovetail then you know how challenging cleaning out the pin socket is, especially in the corners. Not happy with the skew and fishtail chisels available, I designed and made my own half blind chisel and they work great! These chisels are "Cosmanized" from a WoodRiver 3 8 inch socket chisel with a Bubinga wood handle. Fishtail shape makes accessing the back corners of the half blind socket easy. Sides of the chisel tip