double lock hand seamer for double locking the 1/2" wide standing seam - forms the 180 degree bend - for hard to reach places - to start or finish (or an entire roof) - for use with painted or unpainted material - note: before using this tool, prepare the seam with the 001 or 001C to a single lock bend - made in the USA

double lock hand seamer for double locking the 1/2" wide standing seam - forms the 180 degree bend - for hard to reach places - to start or finish (or an entire roof) - for use with painted or unpainted material - note: before using this tool, prepare the seam with the 001 or 001C to a single lock bend - made in the USA