DynaPen Reciprocating Tool Filer Kit, 1/8 Inch Collet, 3 mm Collet 14,000 SPM, .007 Inch (.018 mm) SL, In-Line 360 Degree Swivel 14,000 strokes per minute .007 Inch 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. Lubrication is not recommended during operationLubrication is ONLY recommended during storage. Kit Includes 10832 Tool (3 mm collet insert), 1/8 Inch collet insert (51659), Straight File (90900), Curved File (90901), 1/2 Round File (90930) and Wrench (95731)Accepts 1/16 Inch & 3/32 Inch collet inserts also (sold separately). Product Information Brand Dynabrade Part # 10844 Line Dynapen Height 3 Inch Origin Country United States Product Type Grinder Kits RPM 14000 Set Quantity 10