Specifications:<br> Material: high-carbon steel with rust-proof lacquer.<br> Diameter: 1.3 cm/ 0.5 inch<br> Adjustable length: 40-70cm/ 15.7- 28 inch<br> Application: door curtain rod, clothes pole, shoes rack, clothes pole, coat hanger, DIY projects, etc.<br> Package includes:<br> 4 x Tension rods<br> Warm note:<br> 1.There may be small error in size for manual measurements.<br> 2.The friction of the wall and the extension of the rod will affect the use. Generally speaking,the more friction of the wall and the shorter extension of the rod, the better effect of use.