WRS Series 320 23in Extended Travel Apex Block x Tackle Balance | 226 (2428.99
Bring your non-tilt, side-load windows back to life with theCaldwell Series 320, engineered for precision, strength, and long-lasting performance. Note: Balance length = stamped number + 1″. Match stamped number to sash weight (e.g., “07-1” = 8″ / 2–2.99 lbs).