The Alarm Controls AM6331 spacer plate is designed specifically for double magnetic locks, providing an effective solution to adjust lock positioning by lowering it 1/4". Crafted with a clear anodized aluminum finish, this 21" x 1-1/2" x 1/4" plate boasts durability and sleek aesthetics. Perfect for enhancing the functionality of your 1200LB double magnetic lock, it's a reliable choice for precise installation. Upgrade your security setup with this essential accessory today!