
This chisel makes it easy to make dovetails the right size and angle so your NOVA chuck will hold better. for cams 50mm and 100mm. Just make the dovetail as wide as you need it by comparing it to the marks on the tool you already have in hand. The key feature is that it allows you to dovetail at a precise angle that provides the largest contact area for the best possible grip. scraper so it's easy to use. Lay it flat and at right angles on the armrest. No weird corners required. That makes it easy.