P.K. Neuses Burnishing Pencil Tool

Handy and practical, with pocket clip and magazine of five extra blades. Blades fit into chuck at end of barrel. Practically any degree of blade rigidity is possible by varying depth of blade in chuck. Reservoir for extra blades at other end. Black plastic barrel and cap permits working on live contacts. 4 1/4" (10.8 cm) long x 3/8" (9.5 mm) diameter overall. Blades are 11/64" (4.36 mm) wide x 1 1/2" (3.8 cm) long.

Also good for polishing contacts on other machines like the BMW R series of motorcycles and relays in jukeboxes, etc.