25 ML Syringe, Plastic Steel Epoxy, Steel Filled Heavy Duty Epoxy, High Bond Strength, 2,500 PSI, Slow Setting Formula For Extra Working Time, Fills Gaps & Hardens To a Rigid Metallic Mass, Chemical Resistant & Waterproof, For Heavy Industrial Repairs On All Types Of Metal Surfaces, Can Be Drilled, Sanded & Painted, Carded.