The connectors are made of resistant ABS to securely join the panelsCompatible with modular closet and wire grid modular SquareEach connector has 8 slots compatible with panel corners; the inner width of each slot is 4mmEasy to install and attach to the panels; you can put the panels together, take them apart and reconfigure as many times as neededEasy and fast way to build up your modular unitsThese connectors are very easy to assemble and take apart within minutes and without extra tools. Pull together your modular closets and be sure that these connectors are sturdy enough to keep the panels together without wobbling.Note: these connectors are compatible with Square panels and grid panels only. We cannot guarantee that they will fit other brands modular closets.Dimensions of each connector (D x H): 1.46 x 0.98 in / 3.7 x 2.5 cmNet weight of each connector: 0.35 oz. / 0.01 kgMaterial: ABSColor: whitePackage Contents:8 * connectorsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.