The body is what the blade is attached to, and where the shavings and dust are collected when the tool is used. The body and handle are made of plastic.
Handle
The handle extends from the body of the tool and is used to hold and guide it.
Handle hole
The handle hole is found at the end of the handle and is used to hang rasp on a hook or pin in a workshop.
Blade
The blades of shaver dry wall rasps have fine teeth and are made of steel. Depending on which way round the blade is fitted to the body of the tool, it will either remove material from your workpiece on the forward or backward stroke of the tool.
Screw
Not all shaver dry wall rasps have a screw but those that do use it to apply tension to and secure the blade in place on the body.