Window Plane for Mullions and Putty Grooves.
Two-part plane with two 110 mm long, 8 mm iron screws. Threads neither WW nor DIN, but extremely fine pitched, with a perforated ball-shaped head Ø 17 mm. One iron 26×18 mm set in at the front right and rear left, with threaded hole acting as a nut. The two parts can be shifted by up to 3 cm using inserted wooden spacers. Top flat with a wooden wedge, edges lightly rounded. Line decoration.

Left Plane
Left side flat with shaving slot and a side fence 0.7 cm high and 1.4 cm wide. Inside left flat with a 0.4 cm deep bottom fence.

Right Plane
Left side flat with a 6 mm wide bottom fence at the same height as the left plane. Right side has a 4.2 cm high strip glued on top. Shaving slot below. The narrower iron below reduces the working width. Both planes have an 8 mm front borehole; screw head left at the back, right at the front.

Iron 1: 16 mm profiled — Cutting angle: ∠ 51°
Iron 2: 12 mm — Cutting angle: ∠ 51°