DYNABRADE 10843 DynaPen Reciprocating Tool, 1/8″ Collet

14,000 strokes per minute; .007″ stroke length (.018 mm); precision removal resulting in less risk of gouging delicate parts; less aggressive than a Die Grinder; Lightweight & Faster than hand-filing. Only one wrench required; easier to change files; Easy grip rubber sleeve; Includes 1/8″ collet insert. Accepts 1/16″, 3/32″, 3 mm collet inserts (sold separately). Lubrication is not recommended during operation. Lubrication is ONLY recommended during storage.