Pair of side wall planes. Right + Left.

Mahogany body (8.5×1.3×2.8 cm), edges chamfered on top, groove on bottom (0.5×0.5 cm). Vertical wedge–iron slot in the middle (0.7 cm wide) with a 60° angled iron bed.

Below that, two-piece boxwood sole (1.5 cm wide on the side), 0.9 cm thick on top with 0.5×0.5 cm chamfer; rear chamfered down to 0.3 cm.

Mouth: 1.5×0.4 cm, open at the bottom.
Both planes are mirror images.

Iron: 15 mm, edge vertical and curved underneath.
Shaft: 10/6 mm, 20° angled, vertically oriented.
Applies to both planes.