22 PSS-88 Polished stainless steel tube. SB-81 Satin brass tube. SS-88 Satin stainless steel tube. Satin brass fittings with satin brass tube. PB-81 Polished brass tube. TUBES We hold large stocks of polished brass, satin brass, antique, satin and polished stainless steel rods and tubes in various diameter sizes. Available in standard lengths or cut to your required sizes at no extra cost. Polished brass fittings with polished brass tube. Chrome fittings with polished stainless steel tube. St/steel finish fittings with satin stainless steel tube. LINER JOINTS Antique fittings with antique brass tube. PB-96 ANT-81 Antique brass tube.