Probably the best drill guide on the market for the money, this guide can be used to center drill spheres, cylinders and dimension stock.
It comes with four bushings (3/16", 1/4", 5/16" and 3/8") and a center punch.
An optional pair of 7/16" and 1/2" bushings is available separately.
This drill guide is particularly useful for toy makers since it works so well on dowels and wooden balls.
Made in USA.