Smart Head Technology. Cut Size 1 1/2" with 7/8" bleeders. Field Tip Accuracy Compatible with Compound Bows and Crossbows. Devastating Wound Channel of up to 2 1/2" with massive blood trails. Bone Crushing Crown Tip. 4 Blade 100 Grain Smart Blade Technology-2 main blades will collapse back when coming into contact with bone to ensure penetration, then reopen punching forward maintaining forward momentum. Leading the industry with Smart Head Technology Stainless Steel Blades, Aluminum ferrule material above industry standards. Pound for pound, the hardest hitting broadhead on the market. Interchangeable crown tip to switch from 100 to 125 grains.