Cheap And Discounts Bifrc DH20 Pro Handheld DIY Spot Welder Mini Spot Welding Machine With Quick Release Pen 18650 Battery Nickel Plate Spot Welding Wholesale. Buy Directly From Merchant uuustore rc Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.