SPI 14-404-8 Internal Dial Caliper Gage, 20 - 45 mm

Features:

• For checking internal bores, recess diameters, etc.
• Highly recommended for quick ID comparisons.
• Accuracy: +0.002"/-0.003".
• Gage has a movement of 1" (25 mm).
• Can be set with a micrometer or ring gage.
• Bezel rotates for zero setting.
• Button for closing arms. Arms automatically open when button is released.
• Unit is spring-loaded and makes point contact at constant measuring pressure.
• Arms have 0.06" diameter measuring tips.
• Smallest graduation 0.001"/0.025 mm.
• Revolution counter.
• Leg length 3-1/4"