Xcelite 99822V Interchangeable Phillips Round Screwdriver Blade, PH 2 Head, 4" Blade Length
Blade diameter: 1/4"/6.35mm. Working length: 4"/102mm. Overall length: 4"/102mm.
Xcelite 99821BK Interchangeable Phillips Round Screwdriver Blade, #1 Head, 4" Blade Length
Xcelite 994 T-Handle For Interchangeable Blades, Black, 3-1/2" Length