The proprietary features of MICROBORE, Gear Adjust, Twinbore and Tribore are all available on couplings for modular tooling systems.• Modular Twinbore• Modular Tribore• Modular Boring Bars• Modular Boring Rings• Modular Gear Adjust Bars• Modular Gear Adjust Boring Rings• Modular Gear Adjust Boring Heads• Modular Adaptors • Modular Reducers and Extensions