Description:【Material】The rod sockets are made of Zinc alloy; Durable and sturdy, not easy to rust or break.【Dimension】Inside diameter:16mm/0.63";Base diameter:37mm/1.46";Total Height:16mm/0.63";Mounting Hole Diameter:4mm/0.16"【Stable Design】Each flange has 3 holes fixed design, making it more stable and solid.【Easy to Install】Sold in set of 10pcs of Rod Flange Holder; Screws are not included here.【Muitiple Application】This flange set is suitable for closet, bathroom and other extra storage rod, it's easy to hang towels, clothing, ties, belts and other fabric objects.