This bottle and blunt tipped needle set are perfect for the at-home vapers. The extended length needles allow precision filling of vape cartridges without the hassle of spilling your e-juice. When mix your own juice and flavors you can control your PG/VG to exactly the way you like and mix in more or less nicotine (if applicable). You will be saving money in no time when you start buying your ingredients in bulk and creating your own unique e-juice flavors. This kit includes: 6- bottles (1 each - .25 oz, .5 oz, 1 oz, 2 oz, 4 oz, & 8 oz), 6- Luer lock bottle caps, 9- blunt dispensing tips (14-22 gauge, .5" - 3" lengths), 18- Luer tip caps &, 7- manual Luer lock syringes (1cc - 50cc). Not blowing any smoke here!