Specification Brand : SPI BulletPoint1 : 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 BulletPoint2 : Graduated to 0.001" with 0.0015" accuracy for reliable measurements BulletPoint3 : Legs are 3.25 inches long with 0.06 inch diameter ball contact points BulletPoint4 : This gauge excels at measuring hard-to-get-to internal diameters within a one-inch movement range BulletPoint5 : The caliper is spring loaded to make point contact at a constant measuring pressure IncludedComponents : Caliper and Fitted Case ItemName : SPI 12-401-6 Internal Dial Caliper Gauge: 0.375 to 1.375 inch Measuring Range, 0.001" Graduation, 0.0015" Accuracy ItemPackageQuantity : 1 ItemTypeKeyword : dial-calipers Manufacturer : MSC Industrial Material : Metal MeasurementAccuracy : +/- 0.0015 inch ModelNumber : 12-401-6 NumberOfItems : 1 PackageLevel : unit PartNumber : 3/8" to 1-3/8" ProductDescription : 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. Premium construction with black oxide finish caliper arms and chrome-plated housing and bezel. This gauge excels at measuring hard-to-get-to internal diameters within a one-inch movement range. Can be set with a micrometer or ring gauge. The bezel rotates for zero setting, and there is a button for closing the arms. Arms automatically open when button is released. The caliper is spring loaded to make point contact at a constant measuring pressure. ProductSiteLaunchDate : 2024-10-01T19:50:13.451Z Range : 8 inches UnspscCode : 41111600