6 PCS Precision Screwdriver Sets, Flat Head and Philips Head Screwdriver Sets, With 6 Different Sizes Our precision screwdriver set is made of high-quality chrome vanadium steel material, hardened carbon steel shaft, durable and corrosion-resistant. The screwdriver is small and very suitable for small screws. Micro screwdriver set with endcap rotating design, flexible and comfortable to use. Spinning end caps increase efficiency. The screwdriver set is packaged in a plastic storage box to help you keep the screwdriver in order and easy to carry.