Series77t Assembly Tools
Tools to easily pull the the Series 77t bobbin or stirrup into the carrier.
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.
Series 77t succeeds AAMA Class 2 with a weight capacity of 2-45 lbs and length of 6-46 inches.
Product Features
- Designed for all Tilt windows: residential or light commercial
- Caldwell’s Music Wire Springs offer reliable and consistent operation
- Positive lock, drop in system compensate for extrusion toleration and allow for tandem applications
- Available in various colors and compatible with jamb covers
Series 77t bobbin
Related products
Tilt Carriers
Caldwell offers a wide range of Tilt Carriers with solutions for all pocket sizes.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.
