The trip window glass door locks are riveted to the frame, to the lock to be replaced, it is necessary to drill it out, and when assembling the use of a new rivet or pop rivets. This rivet or rivets are not a tour but finally comes, you are always more to take. Be 4 pieces supplied or rivet riveting performance note: The dimensions of the rivet is different than that of the rivet and can not be exchanged with each other.