Hoop with segment for competitive shot put (portable indoor shot put circle)

The platform is designed for pushing the core indoors.
The level is competitive. The construction of the platform consists of 4 squares attached to each other, steel sections and profiles:
- external steel profile: 80x40x2 mm;
- inner steel profile: 60x30x2 mm;
- steel strip: 80x6 mm and 60x6 mm
Top parts are made of plywood, thickness: 21 mm painted with acrylic paint
Height of the structure: 100 mm. Height with foot rest: 185mm.
In the centre of the platform there is a small inner circle - passivity zone with a diameter of 2135 mm.
The platform is equipped with a foot rest. The footrest also has a welded frame made of steel strip with plywood flooring.
Additionally, there are spring-loaded hinged carrying handles. The metal frame is coated with zinc-containing primer and polymer coating, the plywood elements are coated with acrylic paint.
All open ends are covered with plastic plugs.