About This Jaw width: 4"; Jaw Opening: 4"; Throat Depth: 2 3/8"; Pipe Capacity: diameter 1/2" - 1 1/2" Durable and Sturdy: Made with a high-strength ductile iron body (60,000PSI) and sturdy steel U-channel bar for durability and sturdiness. Rubber washers prevent handle sliding and cancel noise Enhanced Clamping Force: Replaceable top machinist jaws and built-in pipe jaws with grooved tooth design for better grip and higher clamping force (4,400 lbs) Flexible and Secure: 360-degree swivel base vice with dual locking nuts provides unlimited clamping space and more safety. A large anvil allows for tapping work to be done on the bench vise Professional Grade: This 4" heavy-duty vise is suitable for use in the home workshop, great for clamping and fixing workpieces Overview Material : Ductile Iron Brand : Forward Item dimensions L x W x H : 11.9 x 5.4 x 5.9 inches Color : Orange Style : Industrial Item Weight : 15.5 Pounds Tensile Strength : 4400 Pounds UPC : 713929551606 Manufacturer : Forward