VEVOR Hydraulic Crimping Tool with 9 Sets of Dies AWG12-2/0 Copper And Aluminum Terminal Battery Lug Crimper, with a Cutting Pliers, Gloves, 5pcs Copper Ring Connectors, 8pcs Heat Shrink Sleeves

Yes, it comes with a carrying case. According to the product information, the package includes a blow molded case for safe storage and transport.

Yes, it is ready to use right out of the box.

No,this item isn't subject to import or tariff charges.

According to the product description, the crimping jaws are made of high-strength steel and heat-treated to increase hardness and durability.

Yes, it includes dies for larger wire gauges. The product comes with 9 pairs of dies ranging from AWG12 to 2/0, covering larger wire gauges like 2/0 AWG for heavy-duty crimping needs.