Stainless Steel Dowel Pins Assembly Pins (Pack of 10) flux paste pen 2 lithium battery Power Supply:12V 6A 2 lithium battery low sound wave and low noise operation Anti low frequency and low noise circuit design for stable performance Small voltage fluctuation with strong load capacity and minimal interference High precision 4 digit value display for accurate voltage and current readings Supports 24 hours of continuous full load operation Temperature controlled intelligent cooling fan activates automatically when internal temperature reaches a set threshold High quality materials with reasonable internal layout for reliable high power output Integrated power cord with safety ground wire and included accessories for safe and convenient use Breaking strength is measured as double shear Stainless steel pins are more corrosion resistant than steel pins