Features: brand new and high quality Made of high quality material, has a tensile strength. When fully cured, this welding glue is waterproof and resistant to petroleum. The adhesive agent provides strong and long-lasting repairs to metals and multiple other surfaces. High-temperature Resistant. Can withstand high temperature. When fully cured,it is as hard as iron and provides uniform bond line thickness. Easy to use. After mixing, let it dry for a few hours, it forms a permanent bond and can be shaped, drilled and so on. Wide Range of Use. Suitable for iron and steel casting, repair the defects, abrasion, scratch and fracture of various metal parts. Specifications: Material:Adhesive Capacity:20g(A10g+B10g) / 50g(A25g+B25g) / 100g(A50g+B50g) 20g Size: Approx. 9 x 2.5 for cm / 3.54 x 0.98 inches 50g Size: Approx. 11.5 x 3.5 for cm / 4.53 x 1.38 inches 100g Size: Approx. 13 x 2.5 for cm / 5.12 x 0.98 inches Note: Please allow 1-2cm errors due to manual measurement. Because of the different display of each computer, the pictures may not reflect the actual color of the item. Package includes: 1 Piece Magic Welding Glue A 1 Piece Magic Welding Glue B