Material: Crafted from durable Unique Alumium Alloy Brackets and Iron metal on rods and hardware accessories. Long-lasting and stong enough hold up to 50Ibs.This outer rod diameter 1 inch, iron tube thickness 0.6mm, provide more support, 28”-48” load capacity 30 lbs, 48”-84” load capacity 40 lbs, 84”-120” load capacity 50 lbs DOUBLE Classic Ball Finials DESIGN: The double curtain rod have Classic and Endcap Finials, add elegant to your windows and decorate home perfectly. Double rods constructions creates a layered look, great for grommet, back tab, rod pocket and tab top curtains. FITS MUTLIPLE WINDOW SIZES: 1-Inches front rod in YuMierle double Balls rod is perfect for hanging room darkening or blackout curtain panels and 5/8 Inches back rod is ideal for hanging sheer panels.Beautiful and practical, and is available in 3 sizes to accommodate most windows ADJUSTABLE LENGTH: Good quality curtain rod can extend easily from 28 to 48 inches/48 to 84 inches/84 to 120 inches, applies to windows in different sizes, ideal for your kitchen, bedroom or living room EASY to INSTALL: adjustable curtain pole installs easily and comes with all mounting hardware, including screws, anchors, and installation instructions