Introducing the Precision Caliper by Accurate Tools, a must-have instrument for any firearms enthusiast or gunsmith. This tool embodies simplicity and efficiency, designed to deliver instant readings with remarkable accuracy. Crafted from hardened stainless steel, the caliper boasts exceptional durability. Its robust construction ensures longevity even under rigorous use in demanding environments. Whether you are measuring firearm components or performing intricate adjustments on your favorite piece, this tool will stand the test of time. One of its standout features is the ability to switch between inches and millimeters at the touch of a button. The range extends from 0 to 6 inches (or 0 to 150 mm), making it versatile enough for various applications. With an impressive accuracy rating of ±0.001 inch (±0.02 mm) and a resolution of 0.0005 inch (or 0.01 mm), precision is guaranteed—no more guesswork involved. The large display features easy-to-read numbers that minimize errors during measurement tasks; there’s no room for ambiguity when you're working on critical dimensions like barrel lengths or chamber depths. Additionally, users can adjust to zero at any position—a feature that enhances flexibility while measuring both internal and external dimensions as well as depth and step measurements. With a jaw depth capable of measuring up to an outside dimension of 1-1/2 inches and an inside measurement capacity reaching up to 5/8 inch, this caliper covers all bases necessary for gunsmithing tasks—from checking tolerances on parts to ensuring proper fitment in assemblies. Moreover, a lock mechanism secures the slide in place while you take your measurements, providing stability where it's needed most during precise operations. The included battery powers this device efficiently with a low battery indicator alerting you when it's time for replacement—a thoughtful addition that keeps your workflow uninterrupted. For safe storage when not in use, each Precision Caliper comes fitted within a sturdy plastic case—ensuring protection against dust and damage while allowing ease of transport wherever your projects may lead you. In summary, Accurate Tools’ Precision Caliper is engineered for those who demand reliability without compromise in their craft—making it an indispensable asset whether you're fine-tuning handloads or conducting routine maintenance on firearms equipment.