[Ensure the Fit] Sized at 1.5”L x 1.4”W x 0.9”H, these connectors are designed for SONGMICS metal wire/plastic cube storage units, and fit wire corners with a 3.9 mm diameter—be sure that the size and shape of our connectors fit your unit before purchase [Built To Be Strong] With thickened ABS plastic and 8 plug-in slots with a ribbed pattern inside, each connector can ensure 8 tight, stable, and strong connections with the structure, working like a charm [Expand As You Want] These 20 connectors are just the thing you want to create more cubes for your DIY storage unit or reconfigure it into a new shape [Reusable] Good things should repeat themselves, just like these connectors that can be reused if you take them down properly; your storage unit can always be by your side, even when you move to a new apartment [What You Get] A set of 20 premium plastic connectors that offers the perfect solution when it comes to expanding your storage shelves. Don’t let limited connectors restrain your creativity! SONGMICS Wire Cube Plastic Connectors for Modular Organizer Closet and Wire Grid Storage Shelving Unit, 20 Pieces, Black AULPC0B20