Groove base plane. Top edges strongly rounded. Front quarter rounding of 1.3 cm. Bottom 2.3 cm high, rounding R = 12.5 cm with a wedge cutout, 1.5x3 cm as a sight hole, all made from solid material. Wooden wedge on top.

Iron: 15 mm, length 144 mm, straight, Cutting angle: 50°, bevel at the bottom.