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 5895-01-017-3781
NSN 6685-00-183-9341
NSN 6150-01-075-8366
NSN 6150-01-399-4126
NSN 7035-01-633-9537
NSN 5895-01-417-1880
NSN 5985-01-191-0324
NSN 6645-01-481-4418
NSN 5910-00-069-3025
NSN 6110-00-269-2696
NSN 6685-01-160-9447
NSN 5945-01-111-0962