IRWIN 10504386 PRO SCREWDRIVER BIT SET 31 PIECE p p A mix of the most popular screwdriver bits 31 Piece covers most applications Pozidrive phillips slotted nut driver & popular long bits Professional case ensures bits are kept in the correct place for easy identification 1 x 25 mm PH1 5 x 25 mm PH2 1 x 25 mm PH3 1 x 25 mm PZ1 5 x 25 mm PZ2 1 x 25 mm PZ3 p 2 of each p Ti coated PH2 & PHZ 25 mm 3 x 25 mm slotted 4 x 50 mm PH2 2 x 50 mm PZ2 3 x double end bits 1 x bit holder