●【3 Inch Wide Jaw】 The 3 inches jaw span provides a strong surface range for work. The offset design can easily and accurately bend, stitch and flatten metal in hard-to-reach narrow spaces. ●【Precision Seamer】 Casting jaws are marked in 1/4 inch bending increments. The anti-skid lines in the jaws prevent the metal plate from sliding. ●【Build to Last】 Hand Seamer is made of heavy duty all steel construction with nickel plated finish for durability. ●【Ergonomic Handle Design】 Non-slip and comfortable, improve work efficiency and reduce construction fatigue. Built-in switch lock, can be locked when not in use, easy to carry. ●【Wide Application】It is suitable for 150/75 series light steel keel, curved metal, plastic board, etc.