A category of precision screwdrivers, they are drives intended to work with small screws, for example Those people you find in eyeglasses or pocket watches. Generally, jeweler’s sets are a combination of slotted and Phillips measurements. Bolt (still left) and Screw (ideal) It’s quite typical to use the phrases ‘screw’ https://types-of-california-roof94713.slypage.com/29872440/indicators-on-types-of-screw-heads-list-you-should-know