Bullet_point: ['Maintenance-free elastic guide arms for suspending or supporting machines excited by eccentric drive or unbalanced motors with directed oscillations', 'Units are joined together by means of a threaded rod, NOT included', 'Units are mounted on the trough by means of fixing flanges', 'Units are primarily used for installations with an effective distance between the single units in specially designed small series shakers and troughs'] (Page 1)