Looking for a top-quality

Comfort: This die grinder is lightweight and ergonomic

12mm (312UM)

and the air-less tires give the feel of pneumatic with the durability of a solid tire

Ken-Tool Balancing Beads (Case) Fluid Type_Gas Looking for a top-quality*Sold by the Case. Ken Tool Balancing Beads are tiny glass beads with a proprietary bead coating which repels moisture and prevents clumping and features a unique memory technology to stabilize the beads inside of the tire. They use the rotating tire's centrifugal force to distribute beads to the critical point opposite the imbalance regardless of the source of the problem. They respond to changes in speed and direction to maintain rotating balance.