Installing and removing the piston flange and high-pressure seat retainer on the Sherwood SR series first stage is best done with the Sherwood SR series piston flange and seat retainer tool.
 
 
Key Features & Specifications:
Exact Fitment: Engineered for compatibility with Sherwood SR Series first-stage regulators, including the piston flange and HP seat retainer.
Durable Construction: Made from stainless steel.
 
Technical Details:
Manufacturer: Scuba Service Tools
SKU: 2000-SST-006
GTIN: 8720828266762