Estwing T3-18 18 Oz Tinner's Hammer Estwing's Tinner's Hammers have a bonded and molded Shock Reduction Grip. The head and handles are forged in one piece and fully polished. These tools have unsurpassed balance and temper. Made in the USA using the finest American tool steel. Malco 12F 12 in. Folding Tool, Multi 12 inch folding tool is ideal for HVAC applications such as 3/8-inch folds for drive cleats and 1-inch deep folds for joist panning, plenums, register boots, trunk line end caps and more. Folding seams are formed from two steel halves, permanently joined together. Handy sight holes assure proper depth alignment. 12-inch (31 cm) Folding Tool with 3/8-inch (9.5 mm) and 1/2-inch (12.7 mm) depths . The 12" folding tool is ideal for HVAC applications such as 3/8" folds for drive cleats and one inch deep folds for joist panning, plenums, register boots, trunk line end caps, and more. Handy sight holes ensure proper depth alignment. 12 " (31 cm) Folding Tool with 3/8" (9.5 mm) & 1/2" (12.7 mm) depths.