END PLATES ONLY YOU PROVIDE BATTERY MODULES, NUTS AND BOLTS . Two end plates will be shipped to you. When bolted together they will prevent your battery modules from warping and swelling when you charge and discharge them. For Toyota hybrid Nimh (Nickle metal hydrate battery) 7.2 volt (6 cell) modules. What Toyota used except for a very few early hybrids up to 2016 when some models started using lithium batteries. BATTERY MODULES, NUTS AND BOLTS are NOT included but shown in the picture to illustrate the use of these end plates. Included is a write-up on cleaning piston rings to reduce oil burn. (see last two pictures it is all the same piston.