Also known as sash locks or crescent latches, these latches secure the upper and lower sashes of double- and single-hung windows to reduce drafts and improve security. The cam-action design draws sashes tightly together for a weather-resistant seal.

Brass-Plated Aluminum—A lightweight, economical choice for interior or low-moisture locations where corrosion exposure is minimal.

Brass—Solid brass resists corrosion and tarnishing far longer than plated finishes. A better fit for coastal or high-humidity areas where plating on aluminum latches can wear through over time.