National V600 series crescent sash lock for double-hung windows. This rigid, traditional crescent-type lock draws window frames together to reduce rattle and improve security. Zinc die-cast construction ensures durability.

• Rigid traditional crescent-type sash lock
• Zinc die-cast construction
• For double-hung windows
• Draws window frames together to reduce rattle
• Mounting screws included to match finish
• Finish: Nickel