C-Clamp; Type Deep Throat; Maximum Jaw Capacity 8 Inch; Screw Size 3/4 Inch-6 TPI; Material Carbon Steel; Finish Black Oxide; Screw Type Full; Applicable Standard Federal Specification GGG-C-406D

C-Clamps provides the strength and quality; Forcing Screw has a Sliding Handle; Swivel Pad Completely Encircles the Ball Joint Providing Permanent Attachment as well as Full Swivel Action; Heavy Walled Hub Supports Forcing Screw Reducing Distortion; Forcing Screw has Roll Formed Acme Threads for Greater Strength, Smoother Running, Reduced Thread Damage, Producing More Clamping Force with Less Effort; Extra Large Anvil for Greater Gripping Area, Produced to Ensure a Flat Surface for Proper Alignment with Screw; Made in USA