Precision Posts Stainless Steel Refill 10/Pack - Size 6 Stainless Steel Post, #6 (.06 x 1.5mm), box of 10 posts. Precisions Posts are designed as a parallel sided/flute style for maximum retention when placed into a root canal. Vented to reduce pressure and stress during placement. Color coded to match the Precisio drills coding. *Compatible with the ParaPost system.