Improved Circular Sash Routhers

Double Profile Smoothing Plane. Cast steel body approx. 60 mm wide with two 120 mm long slightly curved oval handles. Mouths 4x17 mm. Chip breaker 10 mm. Housing with two 15 mm long angled stops at the bottom. Top with two beveled square cutouts 30x22/18 mm with 6 mm threads and 18 mm long screws with bronze washers Ø 15 mm.

Iron two 18 mm profiles, with 23x6 mm slots, cutting angle approx. 50°. Marking: Je PRESTON, Drawing: BIRMm ENG ½ x 1½