US PRO 4PC Japanese Industry Standard Screwdriver Ser JIS ph1,2,3 - 1616. JIS PH1 x 75mm long. JIS PH3 x 150mm long. JIS PH2 x 100mm long. JIS PH2 x 38mm long. Hand tools. US PRO INDUSTRIAL 6PC Go Through Screwdriver Set - PH2 PH3 SL6 SL8 4613.