These copper crimp rings securely fasten 3/8" PEX tubing to brass PEX fittings. Made from annealed copper to ASTM F1807 standards, they provide a reliable, permanent connection for residential and commercial plumbing systems.

• 3/8" size for 3/8" PEX tubing
• Annealed copper construction
• Meets ASTM F1807 and CSA B137.5 standards
• Full 360-degree compression over fitting barbs
• Compatible with PEX crimping tools
• 10 rings per bag

Installation: Position ring 1/8" to 1/4" from pipe end, then compress with PEX crimp tool. Verify with go/no-go gauge for proper installation.