Filpin™ System – Retention Pin Refill, Standard Package - LargeTo enhance the retention of all types of restorations by single or multiple root post and core build up. Designed & engineered for faster and easier to place even in difficult cases, safer to place by reducing the risk of tooth cracking and crazing. Has a pure titanium self shearing retention pins for both automatic and manual placement. Stronger due to its special 47 thread form that crushes and displaces less dentin and causes less cracking &