8 pc. Expanding Arbor Set (1/4" - 1-1/4")

for Cuttermaster End Mill Sharpener & Tool Grinder

Holds I.D. of milling cutters, Keo cutters, shaper cutters, tools with an I.D. up to 1-1/4". Four split cut with center hex key expands arbor holding I.D. of cutter. Used in conjunction with 5C collet air bearing fixture, universal grinding fixture or radius attachment. Takes the place of centers in some applications. Makes grinding and indexing simple. Sizes consisting of 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1 1/4"