6PK 150 Grain Copper Arrow Heads Field Points Whistle Broadheads Archery Targeting Whistle Arrow Tips

• Aluminum alloy and brass durable construction
• Weight: 9.7g / 150gr 
• Screw in changeable arrow tips for most arrows
• Durable field points for archery arrows
• It's sounds like whistle to warning someone or something while flying in the air