Product Features .Seamers are primarily used to bend and flatten sheet metal .Handle span is in optimum grip range when fully closed, maximizing hand strength, providing more ben .Compound lever action delivers power gain for less effort, reduces fatigue .Highly visible シ・depth markings and durable precision-forged blades give accurate bends .High quality appearance, Vibro polished heads and heavy forged blades .Offset handle provides better access in certain applications .Non-slip cushion grips used on Wiss HVAC and Aviation snips provides improved comfort and a consiste