Whiteside 1434 Half Round Bit 1/2"SH, 1/2"R, 1-1/2"CLWhiteside 1434 Half Round Bit 1 2"SH, 1 2"R, 1 1 2"CL Product Description Half Round bits cut a full 180 degree half moon design along the edge of the workpiece. For a less prominent cut, try the Oval Edge bits. A fence is required for work on a router table. Materials: Natural woods, composite woods, hard plastics Recommended RPM: 10,000 12,000 (max 16,000)