Upper and lower roller group for third point and centre tests on concrete beams up to 200x200x800mm.
Rollers size: 30 mm dia. by 312 mm long, cadmium plated against corrosion.
Span between upper rollers adjustable from 75 to 570 mm.
Span between lower rollers adjustable from 75 to 1560 mm.
Weight: 65 kg approx.
