• 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