ASP Key Defender (Black) The ASP Key Defender is a lightweight, low-profile and highly effective defensive pepper spray unit that is easily carried. It provides two million Scoville Heat Units of Oleoresin Capsicum protection. Straight line activation places a cone-shaped spray on-target. A positive safety keeps the unit safe and is rapidly released. The Key Defender body features replaceable Heat (OC) cartriges and Test (inert) cartriges for training. Larger than the Palm Defender, The Key Defender Measures 5.75" Price: $30.00 S&H: $5.00