The Ulmia Jointer plane is used for finishing and level planing surfaces, joints and straight edges. Particularly suitable for processing large workpieces with long surfaces and for shaving and jointing. The iron is adjusted by means of a wooden wedge. Simply tap the iron for a deeper cut, or tap the strike plate on the heel for a more shallow cut. Tap the wedge to fix your adjustment, it's that easy. 60mm (2 3/8") iron with chipbreaker, 45° cutting angle, 600mm (23 5/8") X 80mm Red Beech body, Ironwood (Lignum Vitae) sole.