Designed with a durable flip case and sliding lock, this Makita P-70552 accessory set comes complete with 24 high quality screwdriver bits with various tips suitable for most screwing applications. Featuring a quad driver body that can be fitted into the barrel in 2 ways, the first as a screwdriver and secondly as a pilot drill and countersink/counterbore.quad driver body can be fitted into the barrel in 2 ways, the first as a screwdriver and secondly as a pilot drill and countersink/counterbore. - See more at: http://www.toolstop.co.uk/makita-p-70552-4-way-driver-and-bit-set-28-piece-p11768#sthash.jnSGovFg.dpufquad driver body can be fitted into the barrel in 2 ways, the first as a screwdriver and secondly as a pilot drill and countersink/counterbore. - See more at: http://www.toolstop.co.uk/makita-p-70552-4-way-driver-and-bit-set-28-piece-p11768#sthash.jnSGovFg.dpufquad driver body can be fitted into the barrel in 2 ways, the first as a screwdriver and secondly as a pilot drill and countersink/counterbore. - See more at: http://www.toolstop.co.uk/makita-p-70552-4-way-driver-and-bit-set-28-piece-p11768#sthash.jnSGovFg.dpufquad driver body can be fitted into the barrel in 2 ways, the first as a screwdriver and secondly as a pilot drill and countersink/counterbore. - See more at: http://www.toolstop.co.uk/makita-p-70552-4-way-driver-and-bit-set-28-piece-p11768#sthash.jnSGovFg.dpuf