Product: Blu-Pier Tech 3Pcs Cupboard Bars Tensions Rod,Spring Curtain Rod(16-28inch)…
Brand: Blu-Pier Tech
Color: white
FREE PUNCH EXTENSION ROD
 Quantity: 3
 Color: White
 Size: 15.7 to 28 inches ( round up)
 Material: Metal / Plastic
 Feet: Plastic rubber with 0.79 in dimension
 Adjusts from 18 to 28 Inches, Inside and outside tube diameter: 10/13MM Inside and outside tube diameter: 10/13MM

Very sturdy design,lightweigt design,easy to install,and you can adjust different bar length according you need
Advantages: adjustable length, 18 inch to 28 inch
Diameter is 1.3cm/ 0.51 inch,each rod can bear 1.1 to 2.2 pounds
Easy installation: don't need any tools
Can be used for doors and windows support rods

Search query: black expandable curtain rod
Relevance: Substitute