The colors of the screws and expansion tubes are random and cannot be and specified size:Height about 112mm (see the picture for details) Material: plastic + metal (pipe diameter is metal, is plastic) colour:Black Package Contents: 2 X Curtain Hold Backs 4 X Anchors 4 X Screws Only the above package content, other products are not included. Note: Light reflection 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. Simple & Elegant Design: Takes modern looking to your home, they not only add the ornate look but also look great with your curtain combination, a simple, practical and most economical way to decorate an elegant home. Quick & Easy installation: These drapery tiebacks are very easy to install, and come with screws, you can choose to install them on the two side of your window to hook your curtain in, or you can also use them as curtain rod brackets for rod. MULTI-USE: It is not only a simple curtaion hook, you could also use it as a multi-use hook, such as towel hook, coat hook and umbrella hook in your bedroom, bathroom and living room! It is a wonderful hook for home or office use! Good gift: These curtain holdbacks really good gifts to share with your family and friends, they will match your drapery rod perfectly, and add beauty and color to your home. & Sturdy: These metal curtain holdbacks are made of high quality metal, they're not heavy wrought iron but its decently sturdy: and they're easy to keep your drapes from blowing out of the door and soiled.