Boltcutter B.A.T broadheads are tune-able, allowing you to align the blades so each broadhead flies identically the same. Once aligned your groups will be tighter just by using a wrench and hex key to make simple adjustments. Made of high strength stainless steel with 1 1/16" cutting diameter and 150 grains will give you increase front of center weight for pinpoint accuracy when shot of out a high performance crossbow. Comes as a 3 pack. Pack Size: 3/pk. Weight: 150gr. Style: BH Diameter: 1 1/16"