EXTRA LARGE DISPLAY: Features an extra-large LCD screen and a measurement range of 0 to 6" (153mm). It provides a 3-mode digital display that changes quickly between decimal inches, fractional inches, and millimeters. | AUTO POWER OFF: Fabricated from heavy-duty stainless steel and non-marring carbon fiber, our caliper tool can measure inside and outside diameter, depth, and step measurements. It includes an auto-on/off feature that preserves battery life. | DIGITAL RULER: Provides highly accurate calculations for measuring and fitting joints, checking board thicknesses, and setting cutting depths. Perfect for construction jobs and home improvement projects. | ELECTRONIC CALIPER: Helps make projects and woodworking jobs easier and more efficient. Our angle indicator includes a conversion chart with instructions, a spare battery, battery cover screwdriver, and a protective foam-lined case for easy storage. | GENERAL TOOLS: We have been a recognized leader in the innovation, design, and development of specialized precision instruments for many years. We encourage craftspeople, artisans, and DIYers to work smarter, measure better, and increase productivity. | EXTRA LARGE, EASY TO READ TRI-MODE DIGITAL DISPLAY - The Fraction+ Digital Caliper switches between inches, millimeters and fractions at the touch of a button. | RUGGED STAINLESS STEEL DESIGN - has heavy duty housing and delivers inside, outside, depth and step measurements | PRESERVE BATTERY LIFE - with the Digital Caliper's auto on/off feature | Resolution 0.0005" (0.01mm), Accuracy 0.001" (0.02mm) | INCLUDES: Power Source: SR44 battery, Foam Padded Carrying Case, 1 Year Warranty