3-Piece Hand Seamers Click HERE for more information! Three sizes of sheet metal bending pliers for your selection: straight jaw, 45 degree jaw, 90 degree jaw. These hand seamers are 2-3/8'' (60mm) wide. Designed for bending or straightening sheet metal edge. Ideal tool for use on the car when it is not possible to use a bench folding machine or in tight areas. Made of high quality, heat treated drop forged carbon steel, these tools are made with longevity and durability. Hardness approx. 30 to 35 HRC. Complete with a black finish with red dipped handles.