... coating. 2.Quality guarantee:10 years. Machanical steel mobile file cabinet 1.Description: wheel handle, diameter, 210mm; 12 teeth gear, ... anti-tilting device; rails are made of 25mm concrete steel; built-in safety lock; close type front panel to avoid dust; polyester ... power coating 2.Optional accessories: multi-purpose shelf, plastic drawer cabinet, pull-out desk top, hanging rod, pull-out frame, ...