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
Veritas Wile Plane Hammer - Classic Hand Tools Limited
Rich's Woodcraft: This is not just any plane hammer
Hammers - Hand Tools - Lee Valley Tools
50K56.05, Handtools and accesories > Veritas Tools > Workbench Accessories > Wile Plane Hammer by
Wile Plane Hammer by Veritas - Lee Valley Tools
Mini auvent Chêne pour Mini Emma et Mini EA 11011251 Aldes
Wile Plane Hammer by Veritas - Lee Valley Tools
Hammers - Hand Tools - Lee Valley Tools