Amazon has Neiko Stainless Steel Digital Caliper (0-6″, 01407A) on sale for $16.76. Shipping is free w/ Prime or on $35+ orders.

Features:

• This measuring tool has a quick-change button that changes between three measuring modes: inch, fraction, and millimeter to make conversion a snap during measurement.
• The electronic measurement range is 0″ – 6″ and 0 mm – 150 mm with a resolution of 0.0005″ / 1/128″ / 0.01 mm and an accuracy of 0.001″ / 0.02 mm for precise readings in all your measurement needs.
• The body of the digital caliper is constructed using finely polished stainless steel with a knurled thumb roller and locking screw that ensures smooth sliding and accurate positioning when taking measurements.
• Calibrate to measure inside, outside, depth and step with two sets of jaws and a probe as a vernier caliper.
• Each digital LCD caliper has an extra-large LCD screen for easy and clear readings for faster efficiency and accuracy on the job or at the worksite.