Eclipse sd-9826 – 31 in 1 precision electronic screwdriver set features: smooth rotating cap for easy screw/unscrew quickly without lifting the bits ergonomic designs with non-slip and dual color tpr handle for operation comfort keyless chuck for easy adjustment of bits holder extension bar adjustable bit holder design for easy work inside tight or hard to reach places a versatile set for driving and retrieving very small screws with bits holding storage box for bits managing and carrying easily