SlickTrick blades are precision engineered Stainless Steel blades that are widely regarded as the world's finest broadhead blades. With surgical-grade sharpness, Slick Trick blades resist corrosion, penetrate deep and fly true with fieldpoint-like accuracy. No matter whether they intercept hide or bone, their perfect combination of sleek geometry and scalpel-grade sharpness gives you confidence to take down your prey. This 4-pack of replacement blades are a perfect fit to the original, and using the Alcatraz blade locking system, your blades are locked in tight. They stay in place and ready to shoot again and again.