Toolcraft-Low-Form-Domed-Cap-Nuts-DIN-917-Galvanized-Steel-Packs-of-10-Toolcraft-194783-P-This-pack-of-low-form-domed-cap-nuts-from-Toolcraft-are-polyamide-hexagon-domed-cap-nuts-that-have-been-manufactured-&-designed-with-a-smooth-edge-on-the-outside-P-Toolcraft-194783-Low-Form-Domed-Cap-Nuts-DIN-917-Galvanized-Steel-M4-Pack-Of-10