High-quality brass body ensures strong anti-magnetic properties for durability and reliability. Equipped with carbide ball contact points and a pivot ball bearing system for smooth and precise operation. Measuring range of 0.008 inches with a graduation of 0.0001 inches and an accuracy of 0.00015 inches for precise measurements. 0-40-0 balanced allows for easy readings of deviations from a reference ., Weight: 0.26675933702 pounds, Manufacturer: Oewwthy