The extruder is used to push out specimens from Marshall, Proctor, and CBR moulds. The adapters can be easily fit by conforming to the mould diameter: 100 mm, 150 mm, 4” and 6”. RT-MG-007/H is equipped with a manual hydraulic jack and with a pullback spring for use convenience. Supplied complete with adaptors Ø109.7 mm aperture (for 100 mm and 4” diameter moulds) and Ø162.2 mm aperture (for 150 mm and 6” diameter moulds).