Oval iron body with 3–6 mm wall thickness. Raised section for the wedge abutment. 27 mm long Ø 4 mm iron pin. Step leading to the angled iron bed. Wedge made of wood, rounded at the top. Sole rounded lengthwise and across. Mouth 4 × 18 mm, curved at the rear.

Iron: 17 mm, toothed profile
Cutting angle: approx. 38°