The Einhell "M" Case measures 175mm x 108mm x 45mm and uses interchangeable inserts which allows the user to add or remove accessories if required. The robust locking clip closure helps to keep contents secure while being transported between jobs, and the transparent lid enables quick identification of the contents when you're searching for the right accessory. This accesory set contains 8 hex shank HSS drill bits, and an impact rated screwdriver bit set that includes 5 nut drivers and an impact bit holder. Also included is a countersink so you have everything you need for drilling and counterinking pilot holes before driving screws into them. Features & Benefits • Impact resistant screwdriver bits in 25mm length • Hex shank drill bits made from HSS 4241 steek • Impact resistant nut drivers covering sizes 5mm to 13mm • Impact resistant screwdriver bit holder with stainless steel sleeve • Hex shank counterink; enables screws to be driven flush with or below the surface • Robust auto-loc