AlicE (99% positive lifetime feedback) via Amazon is offering the Tacklife 6-inch Digital Caliper for $5.99 Prime shipped with the code AFBY3PJF at checkout. Today’s deal saves you 60% and marks one of the best prices that we’ve tracked all-time. If you’re doing anything that requires fine and precise measurements, calipers are a must-have. These can measure between 0- to 6-inches and 0 to 150mm with a resolution of down to 0.0005-inches or 0.1mm. There are four measuring modes, including internal, external, depth, and step. Plus, you can convert between inches, millimeters, and fractions. There’s also a zeroing function so you can start your measurement at any step for exact dimensions. Rated 4.3/5 stars.