58 Series Heavy Duty Commercial Window Balances | All Sizes 

13" 13 IB-13S 47" 47 IB-47S 14" 14 IB-14S 48" 48 IB-48S 15" 15 IB-15S 49" 49 IB-49S 16" 16 IB-16S 50" 50 IB-50S 17" 17 IB-17S 51" 51 IB-51S 18" 18 IB-18S 52" 52 IB-52S 19" 19 IB-19S 53" 53 IB-53S 20" 20 IB-20S 54" 54 IB-54S 21" 21 IB-21S 55" 55 IB-55S 22" 22 IB-22S 56" 56 IB-56S 23" 23 IB-23S 57" 57 IB-57S 24" 24 IB-24S IB" IB IB-IBS 25" 25 IB-25S 59" 59 IB-59S 26" 26 IB-26S 60" 60 IB-60S 27" 27 IB-27S 61" 61 IB-61S 28" 28 IB-28S 62" 62 IB-62S 29" 29 IB-29S 63" 63 IB-63S 30" 30 IB-30S 64" 64 IB-64S 31" 31 IB-31S 65" 65 IB-65S 32" 32 IB-32S 66" 66 IB-66S 33" 33 IB-33S 67" 67 IB-67S 34" 34 IB-34S 68" 68 IB-68S 35" 35 IB-35S 69" 69 IB-69S 36" 36 IB-36S 70" 70 IB-70S 37" 37 IB-37S 71" 71 IB-71S 38" 38 IB-38S 72" 72 IB-72S 39" 39 IB-39S 73" 73 IB-73S 40" 40 IB-40S 74" 74 IB-74S 41" 41 IB-41S 75" 75 IB-75S 42" 42 IB-42S 76" 76 IB-76S 43" 43 IB-43S 77" 77 IB-77S 44" 44 IB-44S 78" 78 IB-78S 45" 45 IB-45S 79" 79 IB-79S 46" 46 IB-46S 80" 80 IB-80S

Please Provide the following order Information in the comment section at Checkout.

1. Special Order Parts Prices Based on Size, Quantity etc. - Pricing Begins at $ 49.99 Per Pair

2. Metal channel length - Do not include any attached ends.

3. Provide the number stamped on channel. 

4. First two digits represent the channel length. The second two digits represent the sash weight.  

5. Note: Top and bottom guides shown below will automatically be attached to your balance. 

6. With the IB Series take out system, the sash balance becomes part of the sash. You must add the physical balance weight to sash weights.