Comparison : Item # D41915840, Fine Pitch Ball End Roughing End Mills, Cobalt Steel USA
Item # D41915842, Fine Pitch Ball End Roughing End Mills, Cobalt Steel USA
Item # D41915844, Fine Pitch Ball End Roughing End Mills, Cobalt Steel USA
Item # D41915846, Fine Pitch Ball End Roughing End Mills, Cobalt Steel USA
Item # D41915848, Fine Pitch Ball End Roughing End Mills, Cobalt Steel USA