Tank - Valken 72/3000 DOT-TC REBUILDABLE (only three parts), Shorter (a full ? inch shorter) Lighter (over 2.4 ounces lighter), Reliable (tested at some of the busiest fields with ZERO repair needs) Mini gauge, Flats (not round) on both the regulator body and bonnet for easy non-damaging service and hydro Two set screws for added safety and security., Dual burst discs Overall Length  10.2in (Length while screwed into ASA  9.6in), Overall Weight  2lbs 5.6oz.