hozan jis-5 jis screwdriver set (new 3rd gen.) hozan this set includes the following drivers:<br> d-530-75: shaft diameter 3.0 mmφ, shaft length 75 mm, tip size (+) no.00<br> d-540-100: shaft diameter 4.0 mmφ, shaft length 100 mm, tip size (+) no.0<br> d-550-100: shaft diameter 5.0 mmφ, shaft length 100 mm, tip size (+) no.1<br> d-555-100: shaft diameter 5.0 mmφ, shaft length 100 mm, tip size (+) no.2<br> d-555-300: shaft diameter 6.0 mmφ, shaft length 300 mm, tip size (+) no.2