The MTE Industries Safety Wire Drill Guide allows you to drill safety wire holes through nuts and bolts, without any frustration. The Safety Wire Drill Guide holds your nuts and bolts in place for effortless drilling through the heads of bolts or through nuts, across the diagonal. The Nut and Bolt Safety Wire Drill Guide is compatible with nuts and bolts with a diameter of up to 3/4 inches. This affordable tool is a guaranteed time-saver. Simply place the bolt head or nut into the V-shaped groove and adjust the holding screw. Then, begin the drilling process. This tool also allows for easy deburring! The MTE Industries MT002 Safety Wire Drill Guide is easy to use, ideal for any handy aviator or technician. This drill guide is affordable and effective, drilling 1/16 or 5/64 inch holes for your safety wire. The compact Nut and Bolt Safety Wire Drill Guide will impress any do-it-yourself aviator; invest in yours today and make safety wire drilling a breeze.