THIS ITEM IS A COMBINATION OF A PUTNAM TOOL END MILL ADAPTER AND AN INGERSOL MAX-1-SHEAR FACE MILL. THE PUTNAM TOOL END MILL ADAPTER IS A POSITIVE LOK TYPE TOOL HOLDER, MODEL PLR38, WITH A SIZE OF 1.25 X 2” AND AN OVERALL LENGTH OF 6.5”. THE INGERSOL MAX-1-SHEAR FACE MILL HAS A CUTTING DIAMETER OF 4", INCLUDES 6 FLUTES, AND FEATURES A 1.25 IN SHANK DIAMETER.