MATERIAL: Our toggle latch clamps are made of carbon steel, durable and sturdy. The galvanized coating provides resistance to rust, corrosion, and water. ADVANTAGES: This toggle latch clamp is adjustable. Simply turn the adjustment lever to tighten or loosen. Adjustable distance: 2.6 inch to 3.3 inch. Holding capacity: 660 lbs. Features a lock hole for added security. EASILY INSTALLED: Easy to install. Attach the toggle clamp and hook, then adjust to the desired distance using the adjustment lever. MULTIPLE PURPOSE: This lockable heavy-duty toggle latch clamp is suitable for various applications, such as securing doors, cabinet doors, storage boxes, tool boxes, cases, smoker lids, jigs, and tool fixtures. PACKAGE: Includes 2 pieces. If you have any issues, please contact us for assistance.