** Due to the size of this product it can only be sent on a 48hr service & within Mainland UK ** Made of high strength Aluminum tube. All tubing surfaces have protective clear anodized coating that keeps drapery clean Drape crossbars can be used at any length between fully collapsed and maximum stop length but do have 'locked-in' lengths as described below: SKU Imperial Metric 1st Position 2nd Position 3rd Position 4th Position PI-DRP-6FT-10FT-CROSSBAR 6' - 10' 1.8m - 3m 1.83m 2.44m 3.05m PI-DRP-8FT-14FT-CROSSBAR 8' - 14' 2.4m - 4m 2.44m 3.02m 3.66m 4.24m * All measurements are approximate 6Ft to 10Ft: Extendable from 6 to 10ft / 1.8m - 3m Inner pipe diameter is approximately 34mm and outer pipe is approximately 43mm. 8Ft to 14Ft: Extendable from 8 to 14ft / 2.4m - 4m Inner pipe diameter is approximately 34mm and outer pipe is approximately 43mm.