... steel ,model :201,202,304 2. Surface treatment:chrome plated and powder coated or polish and welded well 3. Size:all sizes are ... brake ,two are no-brake 5) : The trolley with wheels at bottom, easily move to everywhere, saving much space for your ... us, there are various colors, styles, and samples for your selection, we will be at your service any time! 4 tiers wire ...