General description This Makita E-13552 31 Piece Impact Premier Torsion Screw Bit Set is designed for impact drivers and includes some of the best-selling bit sizes. It comes in a compact plastic case with a clear cover for easy identification of contents and features a convenient hook for attachment to a belt. Technical specifications Contents include: 1x 25mm PH1 Bit 5x 25mm PH2 Bit 2x 25mm PH3 Bit 1x 25mm PZ1 Bit 5x 25mm PZ2 Bit 2x 25mm PZ3 Bit 1x 25mm T10 Bit 1x 25mm T15 Bit 3x 25mm T20 Bit 2x 25mm T25 Bit 2x 25mm T30 Bit 1x 25mm H4 Bit 1x 25mm H5 Bit 1x 25mm H6 Bit 1x 25mm SL4 Bit 1x 25mm SL6 Bit 1x Magnetic Bit Holder 1x Plastic Bit Box Usage Ideal for use with impact drivers Colour coded for easy bit identification Double torsion bits for enhanced durability