1、DURABLE HIGH CARBON STEEL: Made of excellent high carbon steel, which can be used for a long time without damage 2、MULTIPLE FUNCTIONS: 4 in 1 pipe expanding tool, suitable for expanding pipe sizes of 1/4in, 3/8in, 1/2in, 5/8in 3、APPLICABLE EQUIPMENT: Swaging punch tool can be used with pistol drill, recommended pistol drill power above 550W 4、WITH BOX: Equipped with a plastic box for easy storage, portability and access, and also prevents damage and loss 5、EXCELLENT PERFORMANCE: Made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stability 1 x Pipe Tube Expander Swaging Punch Tool1 x Plastic Box ​Item Type: Pipe Tube Expander Swaging Punch ToolMaterial: High carbon steelApplication: Pipe expanding toolBasic Parameters:Expansion Tube Size: 1/4in, 3/8in, 1/2in, 5/8in