Steel housing with inner square section made of light alloy with one big through bore. Levers can be mounted on one or on both sides by means of bolts. Type DR-C with central bore. The frictional force of this type assures a safe fixation of the lever arms in any position. All metal parts are paint finished. ROSTA Rubber Suspension Unit, Type DR-C, Steel, Blue Painted, 110 mm L x 75 mm W x 75 MM H