JCB DRILL BIT SET: This 40 piece combination drill bit set contains a selection of HSS masonry wood sockets and screwdriver bits stored in a neat durable carry case for convenience. The JCB range of accessories for power tools has been developed to reflect the JCB ethos of quality and innovation. JCB products exceed the ever increasing standards and needs of professional and home DIY users 40 PIECE ACCESSORY TOOL BOX: This 40 piece drill bit set is contained within a durable folding carry case with bit markings demonstrating JCB's practical and durable approach to power tool accessories. These power tool combo kits feature masonry drill bits with carbide tips for longer life precision ground HSS TiN drill bits and Chrome Vanadium screwdriver bits allowing you to achieve your desired results with confidence and ease UNIVERSAL FITTING: This JCB drill bit set has been designed with a universal fitting for multi material use. The universal fit carbon steel drill bits are ideal for drilling into all grades of wood. Whatever your drilling needs this drill bit tool case is guaranteed to contain the right drill bit for the job BUILT FOR ENDURANCE: This drill bit set is ergonomically designed for an effortless afternoon of DIY - the perfect set for DIY and home improvement. Containing a plethora of HSS masonry and wood drill screwdriver bits and nut sockets across a range of sizes this drill bit set is designed to suit your every need JCB PROFESSIONAL TOOLS: The experienced engineering and industrial design teams at JCB have produced a comprehensive range of power tools and accessories including the JCB Combination Drill Bit Set. The ideology of JCB is one of constant development and seeking the next level of success. This range of tools reflects the JCB brand in their desire to build sustainable products and reach innovative milestones in the world of engineering