24 INCH FOLDING TOOL - Perfect for the HVAC contractor, the MTW-F3 created precise folds in sheet materials up to 24" in width. TWO THROAT DEPTH SETTINGS - With a 3/8-Inch (9.53mm) depth on one side and 1-inch (25.4mm) on the opposite side, this versatile tool offers the optimal fold for your application. BUILT IN SIGHT GAUGES - Twin diamond sight gauges eliminate guesswork and help to ensure proper alignment for each and every fold. HEAVY-DUTY CONSTRUCTION - Built using 16 gauge tempered steel this sheet metal bending tool will withstand a lifetime of use for the HVAC professional. MADE IN THE USA - This Midwest product is American made using premium grade steel and the highest quality components. The result is a reliable long lasting tool you can count on.