The Wiha ESD Micro-bit Set, 66 Piece is ideal for electronics, remote control models and precision mechanics. Supplied in a robust, clearly organised box. Contains the following: 1 x ESD Screwdriver Handle for low torque applications or work on static sensitive electronic components. 1 x 1/4in Adapter. 1 x Hex Bit Ratchet with thumb wheel 90mm. 1 x Extension 100mm. 9 x 28mm Slotted Micro-bits: 0.8, 1.2, 1.5, 1.8, 2.0, 2.5, 3.0, 3.5 & 4.0mm. 6 x 28mm Hexagon Micro-bits: 0.7, 0.9, 1.5, 2.0, 2.5 & 3.0mm. 10 x 28mm Hexagon Micro