Show use right screwdriver screw driver probably the screwdriver screw driver unit am the hammer are the most used tools about the house but it will surprise many people to know that there are three different kinds or of drivers to V I 1 three different sizes of screws crews if K tile the correct driver Is being used it f III just fit tile slot of the screw and no pre arf sure will be required to drive the screw further the danger ot of the drivers slipping Is reduced to a minimum thereby preventing accident |