412C Drop Forged C-ClampExtra throat depth. Non-slip clamping on all shapes. Steel spindles are copper plated for spatter protection. Swivel pads adjust freely to bear evenly on clamped part. Individually boxed for easy storage and protection. Body Material: Drop Forged Steel; Color: Gray; Finish: Lacquered; Min Proof Test: 9300 lb; Opening Size: 2 in [Min], 12 1/4 in [Max]; Overall Length: 12 in; Spindle Diam: 7/8 in; Throat Depth: 6 5/16 in; Weight: 15 1/2 lb.