** 10 electrodes in each pack** Each electrode is 7.00" (175mm) in lengthPREMIUM ten (10) pack of tungsten electrode rods for TIG welding (choose your type and diameter)ELECTRODE SIZES TO FIT YOUR NEEDAMERICAN Welding Society standard AWS A5.12M/A5.12:2009 conformanceA welder's best friend, these ten packs of TIG welding tungsten electrodes will help you get the job done. Engineered to exact specifications, you can count on these long-lasting electrodes to perform during your most difficult welding application, time and time again. We have the highest rated and most reviewed tungsten electrodes on the internet and our USA based manufacturing and customer service staff will be here to help you.Extremely long lasting and highly durable, these electrodes are a staple in any welder's toolkit.A safety data sheet (SDS) is available upon request. Tungsten is our specialty! Founded in 1958, Midwest Tungsten Service has been manufacturing tungsten for nearly 60 years. Tungsten Inert Gas (TIG) welding is a popular type of welding that utilizes tungsten electrodes to join various metals. The tungsten electrode is a critical component in the process, as it channels the current required to establish the arc. The tungsten electrodes can be alloyed with a variety of metals. Different types and sizes of electrodes are used for different types of welds and materials, and welders develop preferences based on welding style and project. Certain electrode types perform better with alternating current (AC) as opposed to direct current (DC). 2% Lanthanated (Blue): The blue lanthanated electrodes are popular due to the relative ease of striking an arc and lower amperage required. They perform exceptionally well in both AC & DC applications and are a popular general use electrode. Blue electrodes are effective for welding aluminum alloys, magnesium alloys, nickel alloys, copper alloys, titanium alloys, low-alloyed steels, and non-corroding steels.Thoriated (Red): The red thoriated type is America’s favorite electrode for a reason. Extremely long lasting and highly durable, these electrodes are a staple in DC welding applications. These red electrodes are best for copper alloys, nickel alloys, titanium alloys, and non-corroding steels.Rare Earth Mix (Purple): The innovative Rare Earth Mix electrode is an excellent substitute for the traditionally favored red thoriated type and boasts the same high-performance properties. It’s best used when welding Aluminum alloys, magnesium alloys, titanium alloys, nickel alloys, copper alloys, low-alloyed steels, and non-corrosive steels.Ceriated (Grey): Grey ceriated electrodes are popular due to their extreme ease of striking an arc with lower amperages, and their extraordinary performance with regard to DC welding applications. They perform best with titanium alloys, copper alloys, magnesium alloys, aluminum alloys, nickel alloys, non-corroding steels, and low-alloyed steels.Zirconiated (White): White zirconiated tungsten electrodes handle higher amperage levels and work well with both transformer and inverter power sources, making them an excellent alternative to the green pure tungsten electrodes for magnesium and aluminum alloys.Pure Tungsten (Green): The original green pure tungsten electrode contains at least 99.5% tungsten and delivers all of the properties classically associated with tungsten – superior conductivity, durability, and performance. Green electrodes are perfect for weld projects containing magnesium alloys or aluminum alloys.1.5% Lanthanated (Gold): The gold lanthanated tungsten electrodes contain less lanthanum than their blue counterparts and are best used in DC applications. They are best for welds with titanium alloys, copper alloys, nickel alloys, and non-corroding steel.