Water Main Shutoff Key Tool

This is a sturdy, easy-to-print tool designed to operate standard residential water main shutoff valves. Perfect for emergencies, maintenance, or simply avoiding the hassle of searching for the original metal key.

Updates:

• 2026/06/09: Added a Shorter Opening version that is much stronger when shut off valves are difficult to turn

Features:

• Compact design for portability and storage.
• Ergonomic handle for comfortable grip and torque.
• Optimized for 3D printing print in place with no supports.
• Strong enough when printed in PETG, ABS, or reinforced filament.

Recommended Material:

• Material: PETG, ABS, or Nylon (PLA may work but could be brittle)

Notes:

• This model is intended for standard residential water shutoff valves.
• Always test carefully before relying on it for emergencies.
• Scale as needed to fit your specific shutoff valve size.