Omega Products VDI40 Radial Overhead Holder - Left Hand - Short -Type B4Radial Overhead Holders Left Hand Short Type B4 are used in CNC milling machines for holding cutting tools in a vertical orientation. These holders are designed for use with short cutting tools and are suitable for high speed machining. The Type B4 designation refers to the shape of the holder, which is compatible with a specific range of cutting tools. These holders feature a compact design, which allows them to fit easily into tight spaces. They are