Bessey makes clamping applications a cinch with these 4.5" x 3" Deep Reach SuperGripsÖ (SG5-DR). It clamps over angle iron, channel iron and other obstacles. Plus, the adjustable screw/lock nut (on lower lever) adjusts the jaw angle (up to 7 Degree) for clamping tapered parts. Clamps over angle iron, channel iron and other obstacles Adjustable screw/lock nut (on lower lever) adjusts jaw angle (up to 7 Degree) for clamping tapered parts Adjustable screw/lock nut (on top handle) adjusts clamping force