ECODRILL is a simple device for boring the Blum hinge pattern. With an electric/cordless drill, each bit is driven separately and retracts automatically.Features & benefits:
- Variable boring distance from 2 to 8 mm
- Driven by electric/cordless drill (14v or better)
- Each drill bit is driven separately and retracts automatically
- Clamps to various door thicknesses up to 40 mm (1-9/16")
- Includes drill bits (pre-installed) and two Torx driver bits

How to change bits or disassembled video by handyct here https://www.youtube.com/watch?v=6lfgf9Xa44Y

Material	Cast Aluminum
Type	Template