Commstones should be twice as long as the width of the longest flat spot and as long as will work freely between adjacent brush sets.1 in X 1-1/2 in X 6-1/2 in, Grade C, Commstone When compared to turning tools commstones are easier to use, more time effective, and remove less copper..
Pressure Gauge, 2. Cleaning for Oxygen Service O2 is available only for dry or HL Halocarbon filled gauges.5" 304SS Case, Copper Alloy Internals, 1500 psi/kPa, 1/4 NPT Male Back Conn, Glycerin Filled, Panel Mount Clamp Copper alloy and Brass wetted parts. 304SS Case, Copper Alloy Internals, 30/15 psi/kPa, 1/4 NPT Male Bottom Conn, Glycerin Filled.