Making fine adjustments to plane-blade position is easier with the right tool, and few can compare to the finely made plane hammers of Richard Wile, a
Wile Plane Hammer by Veritas
BJS Planes and Woodworking: Getting started
How to Make a Plane Setting Mallet or Hammer
Make Your Own Plane-Adjustment Hammer - FineWoodworking
Tap Adjustment & Set for Panel Planes - Paul Sellers' Blog
Tap Adjustment & Set for Panel Planes - Paul Sellers' Blog
Make a Plane Adjusting Hammer – Lost Art Press
BJS Planes and Woodworking: Blog Archive
Plane-adjusting Hammer Build Part 2
BJS Planes and Woodworking: Home page
BJS Planes and Woodworking: Blog Archive
Make a Plane Adjusting Hammer – Lost Art Press
Make a Plane Adjusting Hammer – Lost Art Press