CMT-811.501.11 - 1/2" Shank 3-PCS PLYWOOD GROOVE SETThis straight bit can withstand even the heaviest work load and still give you a smooth, precise cut every time. They also provide exceptional chip ejection to allow cleaner and more constant cutting. To be used on wood, wood composites for multiple applications such as right angle joints, box joints, mortise and tenons, rabbets, union, tongue and groove joints and even more. This bit features super strength superior steel body, Non Stick Orange