POWER ROD TENSION BOOSTER / KEEPER for XTREME/EXCEED BOWFLEX MACHINES..683LBS
510LB + 173LBS=683LBS. KEEPER FUNCTION IS BY SLIDING THE PLATE ALL THE WAY TO THE TOP WHEN THE MACHINE IS NOT IN USE. IF NO TENSION IS REQUIRED JUST SLIDE THE PLATE ALL THE WAY DOWN TO THE BOTTOM OF THE POWER ROD BOX.