$13.60 incl. shipping
US $2.64 incl. shipping
Engineer Inc PAD-11 tool is really cheap at HobbyKing €32.69
Great tool to crimp those pesky JST connectors, usually selling at almost twice the price.
This is from the well known Japanese company Engineer Inc. Website with guides and vides: http://www.engineer.jp/en/products/pad11_13e.html
US $13.48 incl. shipping
I have a suspicion about what you are gonna use it for… Please let me know if it works well with the binocular