The Scuba Service Tools 1.5-inch C-Spanner is a specialised, high-strength tool designed for secure, damage-free servicing of vintage Scubapro regulator first-stage components. Featuring hardened stainless steel, it is engineered for precise, slip-free torque application on diaphragm clamps and environmental caps.
How It Works:
Align the 3mm hardened stainless steel tip with the pinhole recess on the regulator’s environmental end cap or diaphragm clamp, ensuring a secure, perpendicular fit. Apply steady torque to tighten or remove the component without damaging delicate finishes.
Key Features & Specifications:
- Targeted Servicing: Specifically configured for removing and installing environmental end caps and internal diaphragm clamps.
- Hardware Compatibility: Optimised to also seamlessly fit several older Scubapro regulator first-stage models.
- Precision Tip Assembly: Outfitted with a high-strength 3mm hardened stainless steel pin for a slip-free mechanical interface.
- Lightweight Durability: Main body component is precision-machined from robust, premium-grade aluminium.
Technical Details:
Manufacturer: Scuba Service Tools
SKU: 3000-SST-015
GTIN: 8720828266649
C-Spanner 1.5-inch
- Scubapro MK25
- Scubapro MK18

























