Comparison : Item # D415912243, Regular Length Fine Center-Cutting Roughing End Mills, Cobalt Steel Imported
Item # D415910344, Regular Length Fine Center-Cutting Roughing End Mills, Cobalt Steel Imported
Item # D415918444, Regular Length Fine Center-Cutting Roughing End Mills, Cobalt Steel Imported
Item # D415914656, Regular Length Fine Center-Cutting Roughing End Mills, Cobalt Steel Imported
Item # D415910768, Regular Length Fine Center-Cutting Roughing End Mills, Cobalt Steel Imported