Have elements with tongue and female, they are supplied with screw anchors for fixing.
The bumps are approved and meet the specifications of the Implementing Regulation and implementation of the Italian new Road Code (DPR 16/12/1992 N 495 Art. 179).
They are available in three formats:
Used on roads with speed limits up to 50 km / h
Module by 48.5 cm x 61 x 3 hours;
Terminal male / female 22,5x 61 cm x 3 h.
Used on roads with speed limits up to 40 km / h
Module 50 cm x 90 x 5 h;
Terminal male / female 30 x 90 x 5 h.
Used on roads with speed limits up to 30 km / h
Form male 50 cm x 60 x 7 h;
Module female 50 cm x 60 x 7 h;
Male terminal 30 cm x 60 x 7 h;
Female terminal 30 cm x 60 x 7h.