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Non-Tilt 5/8" Block and Tackle Channel Balance

This is our Series 300 Block and Tackle balance.  Currently one of the most common window balances, block and tackle window balance systems includes a combination of two or more pulleys, a cord, and a spring.  Block and tackle balances are selected based on the length of the metal channel and the stamp. Don't forget to check out our blog to learn how to properly measure block and tackle window balances, learn what your balance stamp means, and learn how to install your block and tackle window balance. Browse block and tackle window balances, parts, and accessories. If you need help finding the correct block and tackle window balance, you can contact us, chat with us, or give us a call at 1-800-842-0974 and we'll help you find your correct replacement block and tackle window balance.

  • PLEASE NOTE THAT ANY BALANCES 15 INCHES OR LONGER CANNOT BE SENT TO A P.O. BOX THROUGH USPS (United States Postal Service) CONTACT US TO ORDER
  • UPS (United Parcel Service) WILL NOT DELIVER ANY PACKAGES TO A P.O. BOX
01-43 300 Series Non-Winged Top Guide

300 Series Non-Winged Top Guide
11" Caldwell 5/8" Channel Block & Tackle Window Balance for Non Tilt Windows Series 300

11" Caldwell 5/8" Channel Block & Tackle Window Balance for Non Tilt Windows Series 300
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WRS 17/32" Square Sash Guide - White

WRS 17/32" Square Sash Guide - White
10" Caldwell 5/8" Channel Block & Tackle Window Balance for Non Tilt Windows Series 300

10" Caldwell 5/8" Channel Block & Tackle Window Balance for Non Tilt Windows Series 300