Manufacturer Part Number (MPN) : 47617003C #3 Waist Chain Linked. The Model 7003C Waist Chain is designed for special security situations. The Model 7003C has one NIJ approved Model 700C handcuff positioned at the navel allowing for limited use of the hands. The special 54 inch heat treated steel chain includes padlock rings for waist size adjustments. Two keys supplied. Made in USA.