Gold Hunting Whistle Signals Arrow Heads 120 Grain Archery Broadheads 6 Pack Whistling broadhead is used for transmit signals It will appears a whooshing sound after shoot out Made of aluminum and copper, design in hole, durable, sharp and fast Color: Gold; Quantity: 6 pcs; Weight: 120 grain; Length: 50mm/1.9inch Package: 6PCS