Block & Tackle Balances

APEX®, PRODIGY™, SERIES 77T A versatile balance platform that supports both tilt and sideload window designs.

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      • PRODIGY™

        Caldwell’s inverted mount Block & Tackle Balance for tilt applications: the PRODIGY™ balance features a field replacement built-in carrier: installed without a notch out.

      • APEX®

        An extended travel Block & Tackle Balance for sideload applications: Caldwell’s APEX® balance is available with multiple end guide configurations, for different jamb sizes.

      • Series 77t

        A traditional Block & Tackle Balance for tilt applications: Caldwell’s Series 77t balance is available in both with bobbin or stirrup options and Screw or Hook mounting options.
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