Prime-Line H3578 Sash Balance, Steel, 6-3/8 in L

This H 3578 is for a 6 lb window or 12 lb if one is used on both sides. This Wood Window Sash Balance style has been used by many manufacturers of windows for several decades. It fits a 3-1/4 in by 6-3/8 in pocket that has been mortised about 2 in above the centerline of the window frame. It is an all steel construction, with a coil spring inside that retracts aircraft cable lifters as it offsets the weight of the window (vent).

Unit: BX

• Includes: (2) Steel Aircraft Cable Lifters
• Length: 6-3/8 in
• Material: Steel

MPN: H3578 - UPC: 049793035783