Drive screws up to four inches in length; tough, durable shank for extended life. Set includes: (3) Square/Phillips/flat head bits, (1) 2" magnetic drive guide, and (1) 4" magnetic drive guide. Eliminate wobbling and slipping, while at the same time protecting your fingers, with the DEWALT DW2095 Seven-piece Magnetic Drive Guide Set. The self-retracting guide sleeve holds screws, as long as four inches, in place for perfect fastening each and every time. The DEWALT magnetic drive guide set is compatible with the most commonly used screw sizes. DeWalt's magnetic drive guides are available in either clear, compact or standard styles. All styles feature a self-retracting sleeve that guides the screw straight allowing for fast, wobble free and slip free driving.