From Longman Dictionary of Contemporary Englishsnap-onˈsnap-on adjective [only before noun] TZDHTa snap-on part of something can be fastened on and removed easily
Examples from the Corpus
snap-on• He remained unshaven for days and wore brown and rotting snap-on teeth.• A thin smear of Vaseline on all snap-on terminals, and internal spring and pins will help keep corrosion at bay. 