The THOMAS & BETTS part 54162NT is a reusable, exothermic welding graphite mold specifically designed for creating a strong connection between a vertical bar and a vertical flat surface. It is suitable for use with bar sizes measuring 1/4 x 2 and larger. This mold is compatible with the 2 x 150RTB welding powder size and comes with a handle clamp (HCPK5) for easy and secure operation. With its durable construction and reliable performance, this graphite mold ensures a solid and long-lasting weld.