It also contains #0 x 60mm, #1 x 38mm, #1 x 100mm, #2 x 150mm, #2 x 200mm and #3 x 150mm Phillips tip bits. All bits feature premium-grade nickel chrome vanadium steel construction for added durability and prolong usage. Screwdriver set has cellulose acetate handles for impact resistance. The precision ground and hardened tips gives increased usability and a longer working life. Set is supplied in strong durable black case. This set is great for general repairs, vehicle servicing and home maintenance. It is suitable for maintenance and construction applications.