Multifunction hluav taws xob lockout lub cev yog ua los ntawm alloy engineering yas thiab A3 galvanized steel phaj, uas muaj peev xwm xauv ntau yam uas tsis yog-tus qauv hluav taws xob los yog tis txee thiab kho los ntawm ob-sided 3M kua nplaum los yog screws.