TECHNIKS PRECISION CAT 40 1.5" FACE SHELL MILL ARBOR 4" HOLDER TOOL 22717-4,ARBOR 4" HOLDER TOOL 22717-4 TECHNIKS PRECISION CAT 40 1.5" FACE SHELL MILL, EACH ARBOR LAB CERTIFIED FOR ACCURACY,NEW TECHNIKS PRECISION CAT 40 1,5" FACE/SHELL MILL ARBOR, H6 ARBOR TOLERANCE FOR LESS CHATTER AND BETTER TOOL LIFE, Visit our online shop Fast Delivery to Your Door Free shipping on orders over $15. MILL ARBOR 4" HOLDER TOOL 22717-4 TECHNIKS PRECISION CAT 40 1.5" FACE SHELL.