Check the listing for details. Vintage Tuna Caliper With Leather Case. Condition: Used. Listed at 22.00 USD. The Vintage Tuna Caliper with Leather Case is a unique and stylish tool for metalworking inspection and measurement. This dial caliper features a classic design with a leather case, adding a touch of nostalgia to your workspace. The caliper is precise and reliable for accurate measurements, making it a valuable asset for professionals in the CNC, metalworking, and manufacturing industries. Its vintage charm also makes it a standout piece for collectors or those who appreciate quality craftsmanship.