Trend RT/11/PK1 Rota-tip 12.7mm dia x 29.5mm with 3 extra tipsSingle bladed straight Rota-tip cutters Solid Carbide replaceable blades. Tool body remains in place when changing blades, thus reducing down-time. Straight cutters have blades with two or four cutting edges, allowing them to be rotated and locked in identical positions. 1/2 inch shank tools are ideal for use in production applications. Clear economical advantage over conventional brazed tip tooling. The single blade can be rotated 180 deg. to give double the life of a conventional tool. Ideally suited for use with Trend Combi worktop jigs. Includes three additional spare blades.Specification-D=1/2 inchD=12.7 mmC=29.5 mmOL=100 mmShank Diameter=1/2 inch With relieved neck, giving 50 mm lng. of cut capability when taking a series of passes.