Our Black 750 Type IV paracord has a 11 strand nylon core, a 750 lb. tensile strength and is made in America by a certified U.S. Government contractor. When you need extra strong cord, this is the one to go to. 750 Type IV Made by a US Government Contractor 750 lb. Tensile Strength 11 Strand Nylon Core 32 Strand Nylon Sheath 5/32" (4mm) Approx. Diameter Mildew and Rot Resistant Made in USA Please note that actual cord colors may vary from the sample photo. Click here for additional color information. Also, the manufacturing process results in a small percentage of spools with two separate lengths of cord. If your project requires a continuous length of cord, please let us know by email following checkout.