SPI 12-401-6 Internal Dial Caliper Gauge: 0.375 to 1.375 inch Measuring Range, 0.001" Graduation, 0.0015" Accuracy

SPI 12-401-6 Internal Dial Caliper Gauge: 0.375 to 1.375 inch Measuring Range, 0.001" Graduation, 0.0015" Accuracy

• The SPI 12-401-6 internal dial caliper gauge checks internal bores and recess diameters within a range of 3/8 inch to 1-3/8 inch
• Graduated to 0.001" with 0.0015" accuracy for reliable measurements
• Legs are 3.25 inches long with 0.06 inch diameter ball contact points
• This gauge excels at measuring hard-to-get-to internal diameters within a one-inch movement range
• The caliper is spring loaded to make point contact at a constant measuring pressure