It’s a nail. It’s a screw. Wait — it’s both! The TetraGrip subfloor fastener’s barbed-threaded design holds securely to prevent floor squeaks. Specialized pneumatic nailer model PF237C simultaneously drives and rotates the fastener. The system eliminates nail-first-screw-later installation patterns, and reduces the number of nails needed by 30%. Paslode | 800.468.7403 |paslode.com