bulldog wrench การใช้

• In particular, the Williams Bulldog wrench was a form of alligator wrench.
• Williams Bulldog wrenches are somewhat popular with antique tool collectors, as are other forms of alligator wrench.
• Bulldog wrenches and alligator wrenches in general have declined in popularity because they invariably leave severe tooth marks on the object to which they are applied.
• A Bulldog Wrench, broadly speaking, is a wrench that is designed to hold onto an object such as a bolt or pipe with great tenacity.
• The Bulldog wrench is no longer made by the J . H . Williams Company, but similar tools often re-appear on the market as a  new miracle any-size wrench.