The basics It is ideal for use on metal, wood, plastic and fabric - in applications that range from do-it-yourself to industrial production.  The benefits Handle contours enable comfortable use. Non-slip jaws become parallel at maximum opening capacities. The uses Point of pressure always remains near jaw tips throughout the entire range of openings, to hold where needed.  The bottom line Jaws are light weight, nickel plated steel. Spring is heavy duty tempered steel for maximum strength. Handles are designed for optimum comfort with minimized spread. Available in 2" and 4"