These couplings are made of high‑quality carbon steel with high strength and reliability. Accurate results that are easy to read. Test Coupling Models: G1/8; 10 1.25; G3/8; 14 1.5; G1/4; ZG1/4; UNF7/16; UNF9/16; 12 1.5; NPT1/4; 10 1; 16 1.5; Quick Connector for Caterpillar CAT/CASE/John Deere.
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