Rolson 42 Piece Screwdriver and Bit Set This quality set is a toolbox essential for everyday DIY and precision tasks. It includes a precision ratchet handle screwdriver with 20 bits, and a T handle stubby ratchet screwdriver with 20 bits. Precision ratchet screwdriver includes: slotted 1.0, 1.5, 2.0. 2.5, 3.0, 3.5mm and crosspoint PH000, PH00, PH0, PH1, star T4, T5, T6, T7, T8, hex 0.7, 0.9, 1.3, 1.5, 2.0mm T handle stubby ratchet screwdriver includes: slotted 3, 4, 5, 6mm, crosspoint PH0, PH1 and PH2, PH3, PZ0, PZ1, PZ2, star T10, T15, T20, T25, T30, hex 3, 4, 5, 6mm