Starrett 73 Series "Yankee" Spring-Type Inside Calipers with Flat Legs & Quick-Spring Nut are made from a high-grade steel & well-finished. The legs are made of flat stock & are very durable. Calipers feature a hardened fulcrum stud, strong & flexible bow string, & centrally located leg adjustment to assure smooth action. Caliper size & capacity is 4".   Made in USA.
,For California Residents:,   WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov,WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood Starrett 4" "Yankee" Spring Inside Calipers ~ 73B-4