The ultimate mechanical broadhead specifically designed for crossbows; Designed for the hunter who wants maximum velocity from their crossbow but refuses to accept less than outstanding accuracy; Clip Loc blade control system holds blades securely during a crossbow's explosive acceleration eliminating the need for O-rings or rubber bands; X-ACT's 100 grain weight gives about 12 fps extra velocity; Ultra-strong aluminum and stainless steel construction; The blades will stay closed in your quiver and in flight without the need for any rubber bands or o-rings; The X-ACT broadheads for bowhunting delivers reliable accuracy to drop your quarry right where it stands; Explosive velocity with superior accuracy; Mechanical blades open to cut upon impact; Good choice for avid archers who are searching for great efficiency