The CRKT 9705 Williams Defense Tactical Key was designed by James Williams. The tactical key measures 3.50 in. overall and weighs approximately 1.00 oz. It is made of 3Cr13 stainless steel and also glass-reinforced nylon. Made in China. No one will know it’s there. Until it’s time to use it. Former Army officer and martial arts instructor, James Williams is a man who knows the value of a well-designed defense tool. Cleverly disguised as an innocuos key, the ergonomic handle and pointed end come in strong when a situation heats up. This is concealed carry that fits on a keyring.