Hozan JIS Screwdriver, #1 size tip, 100mm, Black, Model D-550-100 - D-550-100
Hozan JIS Screwdriver, #1 size tip, 100mm, Black, Model D-550-100 - D-550-100, Screwdrivers for Japanese Industrial Standard fasteners. Not to be confused with common cross-head screws invented by John P. Thompson and popularized by Henry Frank Phillips.