Brand Name: HILLMAN *Callout Sze: 7/16 *Material: Steel *Unit of Measurement: SAE *Product Type: Nylon Lock Nut *Numberin Package: 50 *Packaging Type: Boxed *Thread Type: Coarse *Nut Type: Nylon Insert Lock *Nut Diameter: 4/9 *Callout Size: 7/16