[Neurohirurg]

http://citizen.jp/stiletto/images/ca...n_stiletto.pdf

http://en.item.rakuten.com/quelleheure/ar3010-65e/
http://en.item.rakuten.com/bluek/ddar3010-65a/
4.9 мм

http://en.item.rakuten.com/catmarie/sid66-5133/
http://en.item.rakuten.com/catmarie/sir66-5202/
http://en.item.rakuten.com/catmarie/sir66-5102/
4.7 мм

Тоньше не знаю.