The Matthews BC420100 Provides strong, solid gripping of round, square, or rectangular tubing and many other common and irregular shapes. Features ergonomic handle design and reinforced jaws. Available with 2" or 3" Center Jaw and 2" or 6" End Jaw. The Center Jaw has a fixed jaw mounted at the base of the Baby Pin portion of the shaft providing strong support for the pin. The End Jaw has the fixed jaw mounted at the end of the threaded portion of the shaft.