Converts Shelf & Rod shelving, 30,5 cm and 40,6 cm deep, to a continous slide. Just add the brackets and choose your length of ClosetMaid hang rod. Hang rod snaps into bracket to create an continuous slide for hangers. Will not work with Close Mesh shelving. Use one every 91,4 cm of hang rod and at each end of shelf and hang rod. Attaches to wire shelving. Made of resin, white.