This set of 2 Tethered Objective Lens Caps from Vortex is designed for use with 42mm Razor HD binoculars. They are independently tethered to each lens and offer additional protection for your lenses. These are available here as a replacement or spare for the ones originally included with the binoculars.
VORTEX OPTICS 2012 RAZOR 42MM TETHERED OBJECTIVE CAP SET FEATURES
Vortex Optics 2012 Razor 42mm Tethered Objective Cap Set
VORTEX OPTICS 2012 RAZOR 42MM TETHERED OBJECTIVE CAP SET SPECIFICATIONS
Package Type: Clam Pack/ Plastic
Fit: Razor HD
Brand: Sig Sauer