The Oregon Precision Blade Balancer offers exceptional blade balancing for all lawnmower blades, to help increase the life of your mower and reduce vibrations whilst providing a smoother cut. With static balancing for ease of use, and created with quality zinc die-casting, the metal make up provides more durability than competing plastic cones. It verifies unbalanced and bent blades, for reduced vibration and engine wear. Box contains: 1 x Oregon Precision metal Lawnmower Blade Balancer Created with quality zinc die-casting Static balancing blade for ease of use Verifies unbalanced and bent blades Balances for reduced vibration and engine wear.