Screw drivers, made of cellulose acetate, are highly impact-resistant. Handles of these screw drivers are very carefully shaped to ensure less user-fatigue. Hammer-type steel cap transfers the steels. Blades are made are of spring steel, hardened precisely, to ensure that tips do not not get broken or twisted the sets come with various combinations of blades and extension rods easily but firmly fitted onto handles with neon bulbs for multiple utilities.