The Heavy-Duty Corner Clamp VC157B has an articulating design that allows for pieces of equal or varying thickness to be joined at right angles. Its reversible head design means it can be used as a parallel clamp. The heavy-duty cast zinc construction provides increased durability. Comfort and maximum torque is achieved via the bi-material trilobular handle. Mounting holes allow clamp to be securely attached to work surfaces. Throat depth: 30mm. Clamping capacity: 57mm.