> Fixed height/rigid
Type H-4056; fixed height; design according to DIN.
Type 4056P; fixed height; pavement design.
Type M-4056; fixed height; Futura design.
Type M-4056P; fixed height; Futura pavement design.
> Height adjustable/telescopic
Type H-4056V; height adjustable; design according to DIN.
Type H-4056VF; height adjustable with Fugenring.
Type H-4056VB; height adjustable with reinforced rim.