It consists of a roll of a specially perforated band that can be cut to a required length and an adjustable fastener that interlocks to make any diameter required.
NSN 6645-01-607-5999
NSN 5998-01-212-8602
NSN 5960-01-425-1454
NSN 7035-01-391-9858
NSN 4140-01-445-5945
NSN 5999-00-552-5071
NSN 6145-01-645-7196
NSN 6645-00-435-5610
NSN 6620-01-624-3933
NSN 5975-00-482-2664
NSN 6685-00-155-4301
NSN 5998-01-615-2543