Check the listing for details. Vertical Blind Headrail Custom Made to Your Size & Stack. Color: White, Condition: New. Listed at 58.99 USD. SEE MEASURING INSTRUCTIONS LISTED IN PICTURES: To find width: Measure the width of the area to be covered at the place where the headrail will be installed to the nearest 1/8". Blind should overlap opening of window at least 3" on each side to ensure privacy. To find height: Measure the height of the area to be covered and round down to the nearest 1/8". If there are no obstructions, add at least 2" above and 3" below window opening. For Patio Doors, measure from the floor to the top of the window & add at least 2".Extruded aluminum profile with baked on off-white finish.4 Prong pinion rod provides superior louver closure.Clear nylon stems are nearly invisible, yet extremely strong.Low friction wheeled carriers that allow louvers to traverse smoothly and easilyBrackets, Screws, and Cord Weight Pulley are includedSelf Aligning Clutch System prevents slats from misaligning for years of smooth operationOur Factory: California Blinds Company North Hollywood, California.