CMT Orange Tools 15/64” - 31/64” - 23/32” 3-Piece Plywood Groove Set, 1/2" Shank is a versatile and precise set designed for creating clean and accurate grooves in plywood. This set includes three different groove sizes—15/64”, 31/64”, and 23/32”—to accommodate a variety of woodworking needs. The 1/2" shank ensures compatibility with most routers, providing stability and ease of use. Whether you are a professional woodworker or a hobbyist, this groove set reliable performance and durability for your woodworking projects. Model Number: 811.501.11