Brass water tap Cast aluminium handle Nickle plated brass body (CW317n) Lock function optional Size ... 1/2, 3/4 and 1 inch Ball Cock Brass ... full flow, reduced flow5. Ball material: stainless steel, brass, polyacetal6. Sealing: PTFE, EPDM, NBR O-Rings7. ... Min. wall thickness 1.2 mm Brass ball bibcock brass water tap