Economical Swiss-made quality and design. The Tesa Shop-Cal provides easy-to-read, accurate measurements of day-to-day operations. Stainless steel for durable, reliable and accurate measurements. • Range: 0-6"/0-150 mm. • Resolution: .0005"/0.01 mm. • Specifications consistent with DIN 862. • Absolute and differential measuring system. • A large, 1/4" LC display for easy readings. • Auto shut-off. • Instant inch/metric conversion. • Power supply: 3V lithium-battery, type CR 2032. • Battery life: approx. 1.5 years.