Double iron plane with a polished cast-steel body. Wall thickness 4 mm, sole 11 mm. Front wood infill 2.5/4×5.3×5.5 cm, behind it a mouth 8×57 mm. Inside, the side walls are formed as 8×40 mm cheeks. Exterior flat, rounded strongly at the front and narrower towards the back with two screws each side. Rear wood infill 12.5/7.7×5.8/4×5.3 cm. Front bevelled as the iron bedding; rear fitted with a bronze strike button Ø 14 mm.

Iron: 55 mm (2 1/8") Cutting Angle: ∠ 47°

Markings: THOᵀ JBBOTSON & CO · T · WARRANTED CAST STEEL