Tappet and Boot Replacement Tool Kit Tool Type Tappet Boot Replacement Tool Kit Application Used for the replacement of the Bendix air disc brake tappet and boot assemblies tappet inner seals Overall Diameter Not Applicable Overall Length 13 1/2 in Overall Width 3 1/2 in Number of Pieces 7 Material Steel Includes Black Nylon Disc Cup Flange Fork Handle for Cup Long Strut Swivel Assembly