The TruGlo Titanium Mechanical Broadhead 4 Blade 100 Gr is made with a CNC machined Titanium ferrule and torque balancing blades that expand immediately on impact. The self-adjusting blades move around bone for increased penetration. 

Specs:

• 1 3/4" Cutting Diameter (Outter Blades)
• 7/8" Cutting Diameter (Inner Blades)
• 100 Grain
• 1 to a pack