InSize 2385-3 Centering Indicator with 7 Feelers, 0-3mm Range, 0.01mm Graduation

The InSize 2385-3 Centering Indicator is a precision spindle-mounted tool designed to deliver fast and accurate centering during boring and milling machine setups. Built from stainless steel with a fixed handle, this indicator eliminates guesswork by locating the true center of cylindrical parts, holes, punch marks, and other features with confidence and repeatability.

With a measuring range of 3 mm (0–0.110 in) and a graduation of 0.01 mm, the 2385-3 provides the resolution needed for precise machine tool setup. The integrated dial gauge features a 1-31/64" dial face with white numerals on a clear background for easy readability. The carbide ball contact point (1/2 in. length) ensures long-lasting durability under repeated use.

Key Features:

• Measuring range: 0–3 mm (0–0.110 in)
• Graduation: 0.01 mm
• Dial size: 1-31/64" with clear face and white numbering
• Contact point: Carbide ball, 1/2 in. length
• Fixed handle design for stable, hands-free use during setup
• Stainless steel construction for durability and corrosion resistance
• Calibrated to true zero — no manual offset calculations required

Includes 7 Feelers:

• P1 (External): Φ0–60 mm, Accuracy 0.015 mm
• P2 (External): Φ0–160 mm, Accuracy 0.02 mm
• P3 (External): Φ0–250 mm, Accuracy 0.03 mm
• P4 (Internal): Φ3.2–80 mm, Accuracy 0.015 mm
• P5 (Internal): Φ3.2–180 mm, Accuracy 0.02 mm
• P6 (Internal): Φ3.2–280 mm, Accuracy 0.03 mm
• P7 (Small Hole): Φ0–2.8 mm, Accuracy 0.015 mm

The InSize 2385-3 comes complete with a protective plastic carrying case, making it a versatile and portable precision measurement solution for machine shops, toolrooms, and manufacturing environments.