This Brass Needle Valve has connections of 1/4 MBSP x 1/4 FBSP and comes with a round handle. The body and handle are made of brass and it is rated for working pressures up to 2600kpa (approx. 377 psi).
Needle Valves are used in high pressure installations, to incrementally control the flow of gas with greater control over the flow then a ball valve.