Kingroll ACE | Purple Kush x Granddaddy Purple INDICA The .6G Kingroll Ace is the same kief coated pre-roll infused with Kingpen’s cannabis oil. This, combined with high-quality flower in a smaller format, makes the Kingroll Ace ideal for those new to infused pre-rolls, or experienced consumers looking for a quick-but-mighty single sesh joint. This highly potent, flavorful pre-roll gets the job done without hurting your wallet.