SHB connectors are designed to carry horizontal forces. The SHH connector is designed to connect rafters with timber (beam pulling a pair of rafters). The SHB connector is designed for mounting to a concrete rim. SHH / SHB rafter joints are used in roofs with slopes of 30° to 60° degrees.

 SHB is available in three standard sizes:
   SHB 80 for rafter width 80 mm;
   SHB 100 for rafter width 100 mm, and
   SHB 120 for rafter width 120 mm
   Other widths may be custom made

Rafter connectors B are used to secure collar beam and the rafters in the bottom construction.
  They can be quickly installed and provide safe and dimensionally stable connection between the roof and substructure

 Rafter connectors is also available as a type H for connection to the rafters.