Irwin Locking Clamp - 4"

Heavy duty jaws lock on to three sides of a hex fastener and will not slip or mar
Designed to replace up to 16 wrench sizes
Includes a built-in wire cutter
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