• Heavy duty enables the use of great force and striking.
• Slogging box open-ended spanner wrench, used with a sledge hammer to tighten large bolts and nuts
• Handy for tight spaces when there is not enough room for large wrenches and great on frozen bolts
• Ideal for, Garage Workshop, Miners, Metal/Wood Workers, Builders, Car Mechanics, Hobbyists, and DIY Enthusiasts, Professionals, etc.