Fine plane. Bronze cast body, wall thickness approx. 4 mm.

At the front, 1 cm protruding wood infill (3.4×5.1 cm) up to the mouth (2×49 mm). Then 92 mm rising from 0 to 32 mm (20°) with an inclined iron bed, filled with wood and metal base.

As wedge cheeks, two ball-shaped cutouts are cast into the inner sides. Side walls are flat, front and rear upper edges overhanging and wave-shaped. The wooden wedge is fitted to shape.

Iron: 50 mm (2″), cutting edge is hand-forged
Bevel: Top bevel 20°    Cutting angle: 20° + 20° ≈ 40°
Mark: I. SORBY CAST STEEL