Includes case Fowler's Swiss Style micrometers are made exclusively for Fowler. A great value - they offer the same fine features and quality that you expect from comparable tools at a fraction of the cost. Features Unique friction design allows one hand operation .01mm graduations .004mm accuracy Swiss style design, balance and quality Friction/Ratchet thimble assures you of consistent readings at all times. Barrel, thimble and frame are satin chrome finished; microfine graduations allow easy reading Measuring faces are carbide tipped A wrench is included, permitting quick and easy zero adjustment on sleeve Flatness: .00003". Parallelism: .00005" for the 0 1"/0 25mm measuring range Fully insulated frame isolates heat from the operator's hand One piece design, extremely well balanced, lightweight (0 1"/25mm size weighs only 7-3/4 oz.) Positive lever-locking clamp ensures reliable measurement at all times Spindle diameter .256"/6.5mm. Anvil and spindle hardened and precision ground Meets or exceeds Fed. specs for accuracyFowler