Includes 2 sizes of plates to fit most passenger and commercial vehicles on the road today. Product Features:Used to compress single, twin, and quad disc brake pistons on fixed and floating calipers.Ratchetless plate design evenly spreads the force on the pistons to prevent misalignment.Easily switch the handle from spreading the plates to retracting the plates for removal.Includes 2 sizes of plates to fit most passenger and commercial vehicles on the road today.The handle has a full 360 degree swing, with a minimum of 1-1/2 width, maximum 2-1/2 width.