Slick Trick Vipertrick Replacement Blades - The Vipertrick Broadhead has a deep penetrating cut-on-contact design with strength and durability at the forefront of its maxims. This has all the advantages of a one piece head with the ability to replace blades and maintain nearly two inches of razor-sharp cut. These blades can fit either 100 or 125 grain heads and come in packs of 4. Fits 100 and 125 grain Vipertrick Broadheads4 pack of bladesMaintain nearly two inches of razor-sharp cut