Revelation 9:10

10 They had tails with stingers, like scorpions, and in their tails they had power to torment people for five months.

Read Revelation 9:10 Using Other Translations

And they had tails like unto scorpions, and there were stings in their tails: and their power was to hurt men five months.
They have tails and stings like scorpions, and their power to hurt people for five months is in their tails.
They had tails that stung like scorpions, and for five months they had the power to torment people.