This kit makes the gas cartages refillable with a standard tip Butane refills

No need for the adapters or pulling the check valve out of the nozzle

Kit includes the drill bit needed, epoxy and the gas valves

Directions 

Make sure all gas is spent out of the cartages

Drill neat hole at the bottom center of the cartage

Make sure all burs are removed

Mix epoxy well

put a bead of epoxy around the base of the valve where it inserts into the cartage

Insert gas valve

put a bead of epoxy around the outside base of the valve

Let cure for 48 hours

Fill cartage

Test by holding cartage under water looking for bubbles

Note - this listing is for the  one Red's refill kit - no gas cartages are included in this listing