Sometimes referred to as jewellers screwdrivers precision screwdrivers are small accurately ground screwdrivers with tips designed for delicate work extensively used by jewellers and model makers but also extremely useful around the home as numerous items and domestic appliances are fitted with small screws that loosen over time the awl can be used to make holes in plastics soft metals or woods and the tweezers are useful when positioning small screws contains 6 plain slot 10 12 14