Sold individually; accessories and hardware not included. SMOOTH, SAFE & SECURE OPERATION – The Series 300’s precision pulley and spring system balances the sash to prevent slamming or sticking, keeping windows steady at any height.
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WRS Caldwell Series 300 Block & Tackle Balance–25″ 24-1 (4-9 lbs), Metal
Sold individually; accessories and hardware not included. SMOOTH, SAFE & SECURE OPERATION – The Series 300’s precision pulley and spring system balances the sash to prevent slamming or sticking, keeping windows steady at any height.