The Garant 30k SK-1 better known as the Sonder Kfz-1 and SK-1 was an East German armored patrol vehicle (sonderwagen) was used only by the Riot Police of the Volkspolizei and not used by the East German Army. The SK-1 is the chassis of a Robur Garant 30K truck fitted with an armored body and a light turret. There is a door in the rear of the hull for the crew to enter, and a hatch on top of the turret. The turret has several vision slits and a hole for a machinegun. With the reunification of Germany, most of the SK-1s were scrapped, except for some sent to museums or private collectors.