Swhacker Practice Head 100 Gr. 2 Inch - 3 PackSwhacker Practice Head 100 gr. 2 in. 3 pk. The Swhacker Practice Head 100 Gr. 2 Inch is the perfect tool for honing your archery skills. Designed to mimic the weight and profile of a traditional broadhead, these practice heads provide an authentic shooting experience without the need for live targets. This 3 pack gives you plenty of practice heads to ensure you are always ready for your next outing. Crafted with quality in mind, the Swhacker Practice