[EFFICIENT MATERIAL REMOVAL] Aggressive rasp tooth profile and 11mm cutting head remove rust, burrs and excess material quickly while shaping and smoothing edges for faster project completion. [SET CONTAINS] Set of 10 rotary rasp files in assorted shapes for grinding, deburring and reaming; each with a 6mm shank, . 59mm overall length and about 11mm working diameter to handle a variety of tasks. [HARDENED 45# STEEL] Constructed from hardened and tempered 45# steel for strong wear resistance during rotary grinding, suitable for repeated contact with soft metals, wood and plastic. [FOR ROTARY TOOLS] Designed to work with electric grinding tools, die grinders and rotary tools; 6mm shank fits common collets for secure mounting and fast tool changes. [SIZING REMINDER] CHECK YOUR TOOL COLLET SIZE RATHER THAN SIZE CHART; confirm your rotary tool accepts a 6MM shank before use to compatibility and secure fit., Weight: 0.5291094288 Pounds, Manufacturer: NONDK