About this item

• 【Precision Jewelry Welding】This 100A pulse arc welder is specially designed for permanent jewelry welding, ideal for seamless rings, bracelets, chains, and delicate jewelry joints (0.5mm–4mm caliber).Not suitable for thick metal bars or drilling
• 【Stable Spot Welding Performance】Works on pulse arc spot welding technology—ensure workpieces are stable and close to the welding needle for best results. Adjust power settings for different metal thicknesses to achieve a flawless weld
• 【Complete Welding Accessories】Includes 10 tungsten steel welding pins + 4 copper collets (different sizes). Pro Tip: Sharpen pins with a grinder before use and install with the tip facing outward for optimal precision
• 【Ready-to-Use Kit – No Argon Required】Comes with all essential spot welding accessories. Argon gas is optional—works perfectly without it
• 【Fast & Clean Welding – No Solder Needed】Creates strong seamless joints instantly without messy soldering. Perfect for gold, silver, platinum, and stainless steel jewelry, leaving no discoloration or weak spots.