• ACCURACY 0.0005 in./in. tolerance in all ten working positions
• DURABLE ALUMINUM FRAME with precision-milled edges for superior accuracy and fixed impact-resistant end caps to support years of hard work
• HIGH-CONTRAST VIAL SURROUNDS and a 300° view center block vial for ultimate readability
• POWERFUL RARE EARTH MAGNETS offer a reliable hold on metal surfaces
• ERGONOMIC HAND GRIPS allow for easy handling while wearing work gloves