This is the replacement/accessory strap for most of the Nightstick headlamps
The Heavy-Duty Rubber Strap is designed to be on helmets or hard hats
This strap will work with the following Nightstick Headlamps: NSP-4602B, NSP-4603B, NSP-4604B, NSP-4605B, NSP-4606B, NSP-4608B, NSP-4610B, NSP-4614B, NSP-4616B, XPP-5450G, XPP-5452G and XPP-5454G