Swhacker 4 Blade Hybrid Broadhead 100 gr. 1.75in. 3 pk. Black. Upon contact the 4-blade pivots once and drives the blades through the ribcage. On impact the pivot mechanism catches and rotates the rotors on contact with your broadhead tip. The rotors then fall to the ground. The 4-blade design 's main advantage is the amount of surface area the rotors have to offer. With the 4-blade broadhead the rotor once it comes in contact with your target it will slide in and plow like a bladed knife with no prep needed. It has already done its part to save the lives of many innocent game. So sit back tighten your eyes and get ready for a frightful hunt. Specifications for Swhacker Broadhead 4-blade: Manufacturer: Swhacker Fabric/Material: Stainless Steel Quantity: 3 Archery Application: Hiking Package Contents: Swhacker Broadhead 4-blade 100gr 1" Cut 35 Degree 3pk Swhacker SWH00257: 4 Blade Hybrid Broadhead 100 gr. 1.75in. 3 pk. Black