CMT 823.364.11B Slot Cutter with Arbor & Bearing, 1/2-Inch Shank 1/4-Inch Cutting Length, 0.175 Body Thickness, 1-7/8" Cutting Diameter. Great for making lock rabbet joints as well as standard slots, biscuit joints, and many more. Bit features 3 carbide tipped cutting wings, PTFE coating and an anti-kickback design feature. The 22mm bearing provides a 1/2-Inch depth of cut.