Extra long, heavy walled hub prevents springing under full recommended load. Square head is designed to be turned with a wrench or a 4 / 8point socket due to high load capacity. Meets or exceeds us federal spec. GGG-C-406D.
- Made in the USA
- Strongest C-clamp produced
- Forcing screw has a square head, does not include a handle
- Forcing screw has a hardened tip, standard V threads