Turn screw to adjust pressure and fit work. Stays adjusted for repetitive use
Constructed of high-grade heat-treated alloy steel for maximum toughness and durability
Classic trigger release designed to provide maximum locking force
Irwin 27 Vise-Grip The Original Locking Chain Clamp (20R) - The Vise-Grip 27 9-Inch Locking Chain Clamp, is 9 inches long with 18 inches of chain and extension chains available. It holds and locks around any shape of any size and adjusts quickly for ratchet action in either direction.