CRL 40" Window Channel Balance; 3930 or 39C - FA3930

Each CRL FA Series 3/30 Weight Range Sash Balances requires one of several types of nylon guides to be riveted onto the top and bottom of the channel. Customers can mount the guides using Cat. No. H3740 Rivet Set Tool (sold separately), which mushrooms the rivet, giving it a very strong set.

Measures 5/8" (16 mm) Depth, but Referred to as 1/2" (13 mm) in the Trade | 10, 20, 30, 40, and 50 Weight Range Balances in Lengths From 13" to 43" (330 to 1092 mm)