Many of us store our screwdrivers on hanging racks were you can see the top of the handle but not the tip. Half the time you pull out a tool with the wrong tip. A few screwdrivers come with a symbol on the top to indicate what type the driver is. This instructable will give you one way to do this.
Old cd rom or other disposable surface
Single edge razor blade or equivalent
White electrical tape ( or other color to your choice )
Screwdrivers to mark