Ken-Tool 4 Piece Dual Wheel Separator Kit • Ideal for Use on Nearly Any Truck, Bus, Van or Trailer That Has Dual Steel Wheels • "One-Piece" Pusher Won’t Fall Apart During Use • Pusher is Ball Bearing-Driven for Near-Zero Turning Resistance • Pusher is Heat Treated for Long-Lasting Strength and Durability • Forcing Screw and Pullers Have Powerful 1-1/8" Diameter x 11 Threads for Years of Reliable Service • Set Includes 2 Pullers to Cover Large Truck, Trailer and Smaller Light Truck Dual Wheel Applications • Components Have Black Oxide or Bright Nickel Plating Finish for Rust and Corrosion Resistance • Use With Air or Electric Impact Wrench • Components Are Laser-Etched for Easy Identification • Comes in a Sturdy, Compact Case