The Standard Half Cage includes the following features – Main hoop – Back stay with cross – Harness bar – Mounting boxes (to be welded to the car)   Extras – cross door bars (Pair) – Roof Diagonal – Gussets for cross door bars (each side) – Gussets for Back stay cross (each side) – Alternative Colour – Roll Cage in T45 Material   All Roll cages are made from either 38.1mm or 44.45mm diameter tube depending upon the age of the car. (pre 1995 uses 38.1mm diameter tube). This size meets the MSA requirements along with all cages that are built.   Please add all the options into the basket along with the standard cage if any apply. Note the Gussets for door bars and back stays is each. so for both sides please add a quantity of 2