Flush Trim Bit Set with 2 Different Cutting Height: 1-1/2 Inch(Yellow), 1 Inch(Black), Cutting Diameter: 1/2 Inch<br> Industrial grade C3 micro-grain carbide cutters with double-edged cutting design, high performance, cutting sharper.<br> Ideal woodworking cutting tools can be processing all composite materials, plywoods, MDF, softwoods and so on.<br> 1/4 Inch shank router bits can be use on CNC and other automatic routers as well as hand held and table mounted portable routers.<br> Top Bottom Bearing Trimming Router Bit is great for all your large stock trim applications, can be used with either a top or bottom template.<br> Specification:<br> color: as show<br> Body Material: Solid Hardened Steel<br> Blade Material: Industrial Grade Micro Grain Carbide<br> Shank Diameter: 1/4 Inch/ 6.35mm<br> Cutting Diameter: 1/2 Inch/ 12.7mm<br> Blade Height: 1-1/2 Inch/ 38mm(Yellow), 1 Inch/ 25mm(Black)<br> Balance: +/- .003" tolerance (allowing smooth operation at high RPMs)<br> Package Includes:<br> 2 x Flush Trim Router Bits