0 ID L STYLE BUSHING Global CNC type L Tool Holder Bushings are designed head-less, with set screw clearance holes opposite of the slot, and they integrate a split with a flat on the O.70MM OD X 2.
Global CNC type ZL Tool Holder Bushings are a longer series of the standard Z style tool holder bushing..90MM OD X 65MM ID ZL STYLE BUSHING The added set screws in the head allow for increased rigidity.
Global CNC type DD double duty Tool Holder Bushings are designed as a combination of the industry standard split B style tool holder bushing and the J set screw clearance style tool holder bushing.