Put tool in jig, slide it against alignment pin and one clamping thumbscrew to square it, adjust blade projection for bevel angle and tighten in place; slide jig back and forth across tool rest and stone face to sharpen tool
Back plate is offset for short chisels
Brass clamping bolts have nylon washers to prevent galling; other parts made from hard aluminum, further hardened by anodizing
High-friction pads ensure solid clamping
Fits in slot of Veritas Grinder Tool Rest (05M23.01); riding ledges adapt it to other tool rests