Caldwell Apex series block and tackle window sash balance without wings. This product enables the sliding sash to be opened with ease on a vertical sliding window.

• It is recommended to purchase this item in pairs to ensure the spring weight is the same. Unequal spring weight can result in a sliding sash that binds, becomes crooked, or slides poorly.

Color: Mill finish

Position: Can be used on the right or left side

Material: Plastic, metal, nylon

Sold by: Each

Balance number: 25 4

Weight capacity (lbs. per pair): 15 – 18.99

Functional length: 25″

Overall length: 27″

Width: 9/16″

Depth: 3/4″

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