CO2 Tank COMP2 Bracket 10 lb. 15 lb. 6.9 in. Diameter Power TankThe COMP2 is the most secure way to transport your 10 lb or 15 lb Power Tank or any gas cylinder with a 6. 9 7. 0 inch diameter. It combines the COMP1 dual strap level of holding power with the convenience and security of Quick Release adjustable locking latches on the tried and true Super Bracket frame. For high speed or competition driving, we HIGHLY recommend this bracket. The straightjacket is super lightweight (sub 3 lbs) and powdercoated for a