The phrase "a screwdriver which" is correct and usable in written English.
It can be used when you want to provide additional information or specify a particular type of screwdriver in a sentence.
Example: "I need a screwdriver which has a magnetic tip for easier handling of screws."
Alternatives: "a screwdriver that" or "a screwdriver with".
He handed me a screwdriver, which he said was my gun.
A cutaway of the house shows the milk seeping through a crack in the floor, spilling into a tray, which tips over onto a screwdriver, which eventually sets off a table saw, which saws off one of the stilts the house stands on.
He reports that you can actually take this thing apart with a screwdriver, which is impressive for a piece of homebrew hardware.
Instead of using a scraper tool or a screwdriver which can damage the rubber surround, use a small suction cup.
In his right hand, he held a long screwdriver, which he planned to wedge between the two components, keeping them apart.
For this I select a small, slightly worn, flat-headed screwdriver, which produces a neat line without shredding the paper.
Most general practitioners do not have an ICD-magnet or a PM/ICD-screwdriver, which might be a hindrance for removing an ICD from the body of a person who dies at home.
Data can be secured by using an ICD-programmer, an ICD-magnet, or a PM/ICD-screwdriver which is only possible in a hospital unless the general practitioner has an ICD-magnet or PM/ICD-screwdriver as a part of his or her normal equipment.
Sasha had heard Coz shift behind her and felt something happen in the room: the screwdriver, which she'd placed on the table (recently supplemented with a second table) where she kept the things she'd lifted, and which she'd barely looked at since, seemed to hang in the air of Coz's office.
Walt and I tussled over the screwdriver, which I wouldn't let go of; I was angry at him, too.
The biggest left turn came with the screwdriver, which was the show's overarching Chekhov's gun.
