The Long Bore Extendable Drilling System is ideal solution for boring a starting hole in your hollowing form work piece. This system is consist of three steel rods. The 3/4" diameter steel rods are extremely rigid which perform much better than standard, smaller diameter single rods when drilling on a lathe. Another distinct advantage is that there is no need for a drill chuck or morse taper adapter. This system is easily mounted to the tailstock on your lathe which will allow you to use the lathe to drill a starter hole on your project. This system as packaged gives you a total reach of 9".