Fits The Clutch Head Figure 8 Screws On All GM Cars Includes 4 Popular Sizes 5/32, 3/16, 1/4 & 5/16 This super-handy set of clutch head screwdrivers are just the ticket when working on your classic car or truck. We've all gotten stuck trying to remove the original clutch head screws with a regular straight blade screwdriver, (like Randy!) or worse yet vise grips! This set includes the 4 most popular small sizes from 5/32 up to 5/16. When trying to disassemble restore and reassemble your Chevy, there's nothing like having the right tools in your toolbox: Clutch head screwdrivers!