Brand Name: Boltmaster *Call Out Size: 3/4 inch-10 *Material: Steel *Product Type: Coupling Nut *Number in Package: 15 pk *Finish: Zinc-Plated *Packaging Type: Boxed *Thread Type: Coarse *Length: 2.25 in. *Nut Type: Coupling *Inside Diameter: 3/4 in. *Nut Diameter: 3/4 *Discovery NBR, SUP