These precision built steam valves have a body made of solid bronze and have a stainless steel spindle designed to fit a boiler manifold with 1/8th BSP thread. They are supplied with a 1/8th BSP lock nut and all necessary nuts and olives. They can be supplied with either a stainless steel four spoke wheel with handle, or brass wheel with finger grips. Available with outlet, nut and olives in three sizes; 3/16th, 1/4 and 5/16th.