According to the package, this is a Long/Regular or #11 size basting needle. Use it to thread baste your quilts and/or to baste applique pieces in place.
Handmade in Hiroshima, there are 6 needles in each package.
#185 Ancient Scroll Replacement Bobbin
#181 Nightscape Replacement Bobbin
#178 Poolside Replacement Bobbin
#177 Gone Fishing Replacement Bobbin