Range: 2 - 12'' Extension rods: 0.5'', 1'', 2'' (2 pcs), 4'' Resolution: 0.0001" The combining of extension rods provides a wide measuring range Supplied with a standard caliper gauge for zero setting Accuracy: Metric(3+n+L/50) μm, (n = number of rod, L = maximum Nice fitted case Extended range and precision: Offers a 2-12" measurement range with 0.001" increments for detailed internal dimensions. Comprehensive extension rod set: Includes 0.5", 1", 2" (2pcs), 4" rods, enhancing flexibility for various depths. Uniform rod diameter: 0.61" diameter across rods ensures compatibility with a wide range of bore sizes. Clearly marked rods: Each rod's measuring range is indicated, aiding in quick identification and reducing setup time. Equipped with a standard caliper gauge for zero setting and housed in a durable fitted case for easy storage and protection.

The Accusize Industrial Tools 2-12'' Inside Micrometers Set, model 3011-3051, exemplifies precision engineering for the discerning professional machinist, fabricator, or engineer. This set's expansive measuring range of 2-12 inches, combined with its 0.001-inch increments, provides the accuracy needed for intricate internal measurements, ensuring precision in every project.

Designed with flexibility in mind, this set includes a variety of extension rods (0.5", 1", 2" (2pcs), 4"), allowing for adjustments to accommodate different measurement depths and applications. The uniformity of the 0.61-inch rod diameter across all pieces ensures a consistent fit and compatibility with a broad array of bore sizes, making this tool set a versatile choice for precision machining and quality control.

Ease of use is a key consideration; each interchangeable rod is distinctly marked with its measuring range, streamlining the selection process and minimizing the potential for error. The inclusion of a standard caliper gauge for zero setting further underscores the set's commitment to measurement accuracy from the outset.

The Accusize Industrial Tools Inside Micrometers Set is not only practical in its design but also thoughtful in its presentation. It comes neatly organized in a sturdy, fitted case, providing excellent protection against wear and environmental factors. This case ensures that the precision tools remain in prime condition, ready for use whenever accuracy and precision are required. Ideal for a wide range of professional settings, this micrometer set stands as a testament to the uncompromising standards demanded by those who rely on accurate internal measurements for their work.