With 6 Anvils & 5 Standards. FEATURES: Wide measuring range with interchangeable anvils. Carbide-tipped spindle. The 340 series can be linked to the SPC system. Provided with Ratchet Stop for constant force. ACCURACY. Flatness: within .000024"/0.6µm for up to 12"/300mm within .00004"/1µm for up to 40"/1000mm. Parallelism: .00008". Measuring Accuracy: ±.0002". DIGIMATIC FUNCTIONS Models 340-751 & 752. Inch/mm. Preset. Zero/ABS. Data Send/Hold. Models 340-713, 714, 715 & 716. Hold. Inch/mm. On/Off. Preset. Zero/ABS. Data Send.