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WRS Amesbury Series 450 Block & Tackle Balances - Tilt Windows

The 450 Series is a standard block and tackle window balance for tilt window applications. This balance is designed for residential or commercial window applications. These balances feature a 5/8" channel depth and lengths ranging from 13" to 54" and weight capacities from 3lbs to 40lbs you're sure to find the tilt block and tackle window balance to fit your needs. These measurements are crucial to the performance of the balance. If your balance does not measure an exact length, or if you think you have an extended travel balance, read this article and contact us before you place your order.

  • PLEASE KNOW 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

PLEASE NOTE: The Length of the Balance will ALWAYS be 1 Digit HIGHER than the Stamp or SKU Number (example: a balance with a SKU number of 05-45012-1 will be stamped 1210 and measure 13" in length).

  • Tilt Block & Tackle Window Balances
  • Lengths Ranging From 13" to 54" (NOTE: Any Balance 20" Or Longer Will Have An Extra "Extreme Length" Shipping Fee Added at Checkout)
  • Weights Ranging From 3 to 40 lbs
  • Balances Sold Individually, Clip Attachments Come Pre-Assembled (Attached to the Balance)
  • Other Accessories and Hardware Not Included

REFER TO THE TABLE BELOW TO SELECT YOUR BALANCE LENGTH:

NOTE: Other Sizes Available Upon Request, Please Call to Order
13" 14" 15" 16" 17" 18"
19" 20" 21" 22" 23" 24"
25" 26" 27" 28" 29" 30"
31" 32" 33" 34" 35" 36"
37" 38" 39" 40" 41" 42"
43" 44" 45" 46" 47" 48"
49" 50" 51" 52" 53" 54"