This Ives Clamshell Window Lock is solid brass with a polished brass finish. As the clamshell lock is tightened by turning clockwise, it places downward pressure on the lower sash, and upward pressure on the upper sash, securing both. It has heavy guage springs for long-wearing action.
Base Dimensions: 15/16 inch deep x 2 9/16 inches wide
Strike Dimensions: 5/8 inch deep x 2 9/16 inches wide
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