These vape cartridges can be used with the 710 King Pen Battery Kit which can be found here

710 King Pen have won multiple awards, including winning the vape products category at the High Times Cannabis Cup in both LA and Denver. As such, you can have faith in these vastly superior, lab-tested products. Choose between 0.5g and 1g cartridges, take a look at the strains and flavors below. OG strains included. Vape pen cartridge refill