More information· For use with 21 series bearing and inner pullers. · Robust design, high performance and long service life. · The legs are easily adjusted thanks to an internal spring mechanism S. · Includes a tube of special Kukko grease to maintain the spindle properly [b] Note: [b /] If a 22 series counter bearing cannot be used for reasons of space, use a 22-0 impact bar. Easy tightening of the spindle thanks to an internal bearing that reduces friction Easy adjustment of the legs through internal spring mechanism