Extra Langer 16mm-35mm Forstnerbohrer-Bohrersatz für die Holzbearbeitung 90mm
15-60mm Extra lang Forstnerbohrer Kunstbohrer Sacklochbohrer Bohrer Topfbohrer. When drilling holes, forstner drill bit is made only in the clockwise direction, not reversible, and the speeds from low to high is a gradual process.