INSIZE 3229-18 tubular inside micrometer, 17-18" Brand: INSIZE ID#: 3229-18 |MFGID: 3229-18 Your Price: $252.85 Quantity discounts available QuantityPrice Return Policy Qty -+ Add to Cart Request Info Questions?CallCall Us864.433.9771|Mon-Fri 8-5 EST Share Print Product Information Features • Graduation .001"• Carbide measuring faces.• 17 to 18" Range • Accuracy: .00040"