HWASHI WL-AC-10K Precision AC Microprocessor Controlled Spot Welder for Jewelry and Fine Metal Craft Thin Sheet Welding Product Overview HWASHI WL-AC-10K precision AC spot welder with microprocessor control designed for jewelry manufacturing and fine metal craft. Ultra-stable current output with 0.5% regulation ensures flawless welds on precious metals and thin sheets. Key Features Precision Engineering: Advanced Microprocessor system ensures consistent and repeatable weld