SuperGlaze® 5356 Aluminum Magnesium alloy is very commonly used for higher strength welding of 5XXX and 6XXX base materials. Its higher columnar strength offers improved feeding. SuperGlaze® Gem-Pak®: TANGLE-FREE FEEDING. GUARANTEED. The SuperGlaze® Gem-Pak® is 300 lbs. of premium aluminum weld wire under a layer of glass payoff gems. The patented design provides tangle-free feeding. Guaranteed. Use Aluminum Gem-Pak® Payoff Kit (K5568-1) or Accu-Pak® Box Payoff Kit (K2175-2) for payoff