Heavy duty plates - top and bottom - two holes provide for rigid anchoring. 1" X 7" cold drawn roll threaded steel screw. Heavy cast collar which is 30% stronger than competitive models. Two high carbon adjustment pins provide 200% extra bearing strength and positive locking. Slots for easy adjustment with 3/4" wrench. Capacities from 8,000 to 25,000 Lbs.
Product ID: 4671G-LTL
Shipping Note: LTL ONLY