The Rollease Acmeda Easy Spring Air cordless roller system is a simple yet robust balanced spring system that allows optimal shade positioning by simply placing the bottom rail in the desired location. The single piece, adjustable spring system allows for countless spring sizes in just 6 SKUs making it a breeze to balance any size shade. Designed for simplicity and ease of manufacturing this system will cut down fabrication time and effort. The smooth operation along with the ability for the end user to quickly and easily adjust tension with the shade in place makes this the most user friendly and versatile balanced shade on the market. This system uses Skyline bracketing system, making it compatible with Rollease Acmeda cassettes, fascias, and open roll brackets.