String balances 15C (pair)

String balances compatible with most double-hung windows on the Quebec market. Technical specifications: 8". 50". length (first number) and spring force (letter or number following) Important: Balances are always sold in pairs. To ensure proper operation, always replace both balances simultaneously. Professional service available: Vosthermos offers on-site installation service within 100km around Montreal. Call us at 514-825-8411 for a free quote. Dimensions: length (first number) and spring force (letter or number following).