Wire diameter: 3mm, 6mm, 8mm. Material: stainless steel (304). Others: as per customers' orders. Features : 1 ) Keep necessities within reach while maximizing overhead space with the innovative junior ceiling mounted shelf. 2 ) Ideal in a laundry room, kitchen, closet or pantry, the patented storage design is created especially to hang from the ceiling. 3 ) It is forged of powder-coated steel and easily adjusts in height from 16\" to 28\", letting you truly customize your storage area. 4 ) Assembly and ceiling attachment takes just minutes