The Rage Black Series 2 Blade Cut On Contact Tip is a combination of Rage's most popular shock collar models. The aluminum ferrule is machined to scrupulous specifications anodized black and assembled with their sharper-than-ever 420 SS blades. The 2″ cut rear deploy main blades stay locked in place in your quiver and inflight thanks to our proven Shock Collar Blade Lock technology. The Black Series comes with 6 shock collars 3 Black Collars for use with vertical bows and 3 Red collars for use with crossbows. Each collar has 6 petals and can be used up to 3 times (once per petal). Once the .035″ blades encounter hair and hide they push rearward and deploy into a massive 2″+ cutting diameter leaving a massive entry wound and providing unparalleled blood trails.