Starrett Outside Micrometer, Mechanical Digital, Series: 216, 3 to 4 in, +/-0.0001 in Accuracy, Graduations: 0.0001 in, 0.0001 in Resolution, Flat Anvil, Flat Spindle, 1/4 in Spindle Dia, Ratchet Thimble, Carbide Tip, Black Frame/Satin Chrome Thimble, 8-5/8 in L x 43/64 in W

ITEM FEATURES:

• Clear, easily read numbers reduce errors
• Balanced frame design for comfortable and accurate measuring
• Gracefully designed tapered frame for use in narrow slots and tight places
• Starrett no-glare satin chrome finish on thimble and sleeve
• No-glare black finish on the frame
• Ring-type knurled lock nut for quick and sure locking
• Extremely hard and stable one-piece spindle
• Combination ratchet and speeder for uniform pressure and quicker adjustment