This set of tools will give you the following:
▪ 1x Unbreakable diamond sword
▪ 1x Unbreakable diamond axe
▪ 1x Unbreakable diamond shovel
▪ 1x Unbreakable diamond pickaxe

You must be online and need at least 4 slots of free inventory space at time of purchase, as you will receive physical items.