Profile: Unique Balance is a manufacturer of spiral balances. Our products include block & tackle, constant force, pivot shoes, pivot bars, tilt hardware, screen corners, mobile home hardware and numerous other window hardware components. Our spiral balance selection cover a weight range between 6 lbs to 130 lbs. Our block & tackle balances carries four different variations such as standard take-out system, block & tackle tilt, block & tackle for wood window and one-step. Our block and tackle balance work with single or double hung systems.