Bessey LC-4 4-Inch Rapid Action Lever Clamp Ideal for multiple clamp applications for quick and easy set-up and take downs Perfect for high-volume production Ratchet mechanism for precise, vibration-proof clamping Powder coated clamping lever ergonomically shaped for comfort and leverage Available in sizes from 4" to 12" and clamping pressure from 400 lbs. To 1,110 lbs.