This 14-page pdf download (with 48 photographs) tells and shows exactly how to make a Whizbang Chisel-Sharpening Jig. The jig is designed to sharpen chisels in a minute or two, using a belt sander and sanding belts. The bevel angle is 25°. There is no easier way to keep a super sharp edge on hard-working chisels. The jig will also sharpen block plane blades up to 2-5/8" wide. Click Here For Lots More Details