3PC 1/2 Shank 3/4 - 1-1/2 Fly Cutter Set Cutting Milling Hardened Tool bits Tool Body Dia: 3/4,1-1/8,1-1/2" ; Shank Size: 1/2" Tool Bit Size: 3/16, 1/4, 5/16" Hardened steel ; Machines up to a 6" wide surface with a standard tool bit; Uses inexpensive standard tool bits ; Makes wider cuts than end mills ; Faster speeds and better finishes ; Less chatter and free-cutting on thin material or non-rigid set ups Quantity: 1; Weight: 1 Lb; Wooden block included; Wooden block overall dimension: 3-3/4L x 1-5/8W x 1H