ParaPost XP System Introductory Kit Universal post system for direct post and core build ups and all casting techniques. Optimum stress free retention and maximum support. Intro Pack: (P780T) Posts Sizes 3 (0.90mm) x 4, Size 4 (1.00mm) x 5, Size 4.5 (1.14mm) x 5, Size 5 (1.25mm) x 5, Size 5.5 (1.40mm) x 5, Size 6 (1.50mm) x 2, Size 7 (1.75mm) x 2, Drills x 7 (one of each size) and Universal Hand Driver