The ROSTA double suspension units type AD-P/AD-C are used for suspending and supporting two-mass shaker systems. The center point, for frame fixation, is in the middle of the double rocker arm. The AD-P suspension units are mounted by means of fixing flanges. The housings and the inner square sections are made of welded steel. The core of the AD-P type is equipped with fixing plates constructed analogously to the AU type. ROSTA Double Rocker Suspension Unit, Type AD-P, Specifications: 67 lb Load, 21 mm Amplitude, Welded Steel, Blue Painted, 2.87 in L x 4.33 in W x 11.21 in H