Rollers, dia. 40 mm, hardened and rectified, cadmium plated against corrosion. Lower rollers have adjustable distance from 75 to 900 mm, and upper rollers have adjustable distance from 75 to 180 mm for two points loading tests. Possibility to easily place in the centre one upper roller for centre point loading tests.
ROLLERS GROUP upper and lower, 160 mm long.
