1.19years experience,high quality, competitive price. 2.type:Single&Double flared stainless steel sleeve. 2.3.Various size. JINYOU stainless sleeve ... 12,14,16,18,20,25,32MM Double flared stainless steel sleeve Size DIA 12,14,16,18,20,25,32 ... Used for fastening, joining, or reinforcement ,such as for facilities of cold water, sanitary hot water, and heating ect. Stainless steel fitting for aluminum ...