Swivelling in steel plate pressed, pivoting on 2 ball-bearing races,
thickeness of the cap: 2,5 mm,
thickeness of the cuvette : 3 mm,
double effect brake (wheel and swivel) with zamak pedal,
protective white zinc coating.
Wheel body in Pantone 298c color polyamide, Ral 7011 color tread in non-marking elastic rubber dipped on the body, waterproof precision ball-bearing equipped of polyamide thread guard.