Vintage General Hardware Vernier Calipers No 721 Original Cardboard Packaging | eBay
DIGITAL FRACTIONAL CALIPER 6" (GEN-147) - Ballard Industrial
General Tools® 318-722 Metric and English Vernier Caliper, 0 - 5" | Quill.com
General Tools & Instruments 3-in Digital Caliper with Case Included, Auto-Off Feature, Lightweight Carbon Fiber Construction in the Calipers department at Lowes.com