This strap is Vortex's premium binocular comfort strap as supplied with their full size Viper HD and Razor HD binoculars.

The neoprene pad with its leather ends and overstitched edges is 1.75" wide and 18" long and the 3/8" webbing can be adjusted to give approximate lengths between a maximum of 99cm / 39" and a minimum of 81cm / 32".

This 3/8" webbing allows it to fit all Crossfire, Diamondback, Viper, Razor and Razor UHD binoculars along with most other binoculars that feature a 3/8" (9mm) strap lug.