Slitting Saw Holder Arbor 1/2" Straight Shank For Slit Discs Milling Lathe Tools Slitting saw arbor Holder Which can readily accept Saw Blades of Hole Diameter 1/2", 5/8", 3/4", 7/8", & 1" The blades are firmly secured in position with a Hex head screw . 1/2" Straight Shank Well Suited for Mills & Lathes Saw not Included. Comes with Allen Key Slitting Saw Holder Arbor 1/2" Straight Shank For Slit Discs Milling Lathe Tools. Slitting saw arbor Holder Which can readily accept Saw Blades of Hole Diameter 1/2", 5/8", 3/4", 7/8", & 1" The blades are firmly secured in position with a Hex head screw. 1/2" Straight Shank Well Suited for Mills & Lathes Saw not Included. Comes with Allen Key