Astro Tools 136E-20 Anvil O-Ring Replacement for 3/8" Impact Wrench

The Astro Tools 136E-20 is a replacement anvil O-ring designed for 3/8" drive impact wrenches. This essential component works in conjunction with the retaining ring to secure sockets firmly on the anvil during operation, preventing socket loss and ensuring reliable performance.

Key Features:

• Precision-engineered replacement O-ring for impact wrench anvils
• Compatible with Astro Pneumatic 136E 3/8" Butterfly Impact Wrench
• Works with standard 3/8" drive impact wrenches from major brands
• Durable rubber construction resists wear and heat
• Essential maintenance part for reliable socket retention

This O-ring is a critical wear item that should be replaced periodically to maintain proper socket retention and tool performance. Regular replacement helps prevent sockets from falling off during use and extends the life of your impact wrench.