In Reference To :
Comparison :	Item # 12446844028, Male Straight Hose Conn 4 mm x 1/8" Item # 12446844048, Male Straight Hose Conn 4 mm x 1/4" Item # 12446845028, Male Straight Hose Conn 5 mm x 1/8" Item # 12446845048, Male Straight Hose Conn 5 mm x 1/4" Item # 12446846028, Male Straight Hose Conn 6 mm x 1/8"