Feature●The alternator decoupler pulley tool kit includes all of the tools required for removal and installation of ADP (one way and overriding/freewheeling)●This handy tool kit includes five tools designed for North American vehicles●Package Dimensions: 5.0 " L x 7.0 " W x 1.5 " H●Package Weight: 0.95 poundsDescription The alternator decoupler pulley tool kit includes all of the tools required for removal and installation of ADP (one way and overriding/freewheeling). This handy tool kit includes five tools designed for North American vehicles.