Practi-Heparin Training Pack™ (for training)Practi Heparin Training Pack for clinical training. Wallcur's Practi Heparin Training Pack is a unique and authentic pre clinical practice tool that provides realistic simulation of one of the most commonly miscalculated drug dosages and misread labels. Each Practi Heparin Pack contains twenty 5 mL vials labeled 50,000 USP 5 mL (10,000 units mL) and twenty 10 mL vials labeled 10,000 USP 10 mL (1,000 units mL). Teach: Reading and interpreting drug