LSD REB34 3/4" ReBore-Zit - (3/8" Pilot Size (62-368)

The 3/4" ReBore-Zit is a drill bit that can be used to resize an already existing hole. This drill bit can be used to resize a smaller hole if you're upgrading your contacts from say a 3/8" size to a 3/4" size. 

The bit has a hollow-bodied drill bit with a free-spinning center. This center has an eyelet that you can attach your existing wiring to. The bit won't twist the wire due to the free-spinning center. This way you can drill the new size hole and help you keep track of your existing wire at the same time. This has a 3/8" pilot size to accommodate your current your current drilled hole.