Sample Ejectors HM-517 Economy Ejector is set up to extract 4in (102mm) and 6in (152mm) asphalt samples. The HM-520R Multipurpose Ejector also allows removal of asphalt samples, but includes discs for 2in and 3in samples. These ejectors are 8,000lbf (35.6kN) manually operated jack frames. The MS-27 is 3.95in (100mm) dia. x 0.5in (12.7mm) thick disc on pedestal for specimen removal using a load frame. HM-517 and HM-520R Est. Ship Wt.: 31lb (14kg). MS-27 Est. Ship Wt.: 2lb (1kg).