Caldwell’s Hybrid Balances are ideal for heavier window sash applications: ULTRA-LIFT® EXTREME balance is pre-tensioned so that it optimally operates the heavier window sash with manageable effort. Available with 0.670” and 0.750” diameters, for weight ranges up to 130 lbs.^
ULTRA-LIFT® EXTREME is the INDUSTRY ONLY AAMA Class 6 verified with a weight capacity of 26-80 lbs^ for .670 diameters, 81-130 lbs^ for .750 diameters.
Product Features
ULTRA-LIFT® EXTREME