... 304 STAINLESS STEEL SLEEVES, 304 STAINLESS STEEL SLEEVES for PRESS FITTINGS, Stainless Steel sleeve for brass press fittings&compression fitting &Stainless steel ... press fitting for pe(x)-al-pe(x) pipe & Stainless steel press ... ,32,40,50,63,75MM 8. Used for fastening, joining, or reinforcement ,such as for facilities of cold water, sanitary hot water ...