Rugged quality for prolonged use and lightweight. The extendable option easily adjust handle for your preferred grip. Made of heavy gauge, lightweight aluminum.  Works with most leading brands, except Columbia and Drywall Master flat boxes. Available Sizes: Extendable 39"-63", Fixed 42", and Fixed 54" Extendable Flat Box Handle - made to accommodate any drywall finishing jobs you many have. Made of heavy gauge, lightweight aluminum. Adjustable handle from 39" - 63" inches in length.  Fits all major brand of flat box, except Columbia and Drywall Master Quick slide adjustment locking lever makes adjustments quick & easy. Excalibur Flat Box Handles