ERB Industries Omega II Secure-Fit Safety Helmet Suspension:Ratchet Style the DKM2-A has the reliable

the DKM2-A has the reliable Kern double-circle reading principle

you can use Alkaline batteries or simply its charger

loose gravel and wet ground

Made of break-resistant special plastic

ERB Industries Omega II Secure-Fit Safety Helmet Suspension:Ratchet Style the DKM2-A has the reliableThe ERB Omega II Safety Helmet is built for reliable protection and all day comfort on the job. Molded from high density polyethylene, it offers superior impact resistance and supports optional chin strap use. Designed for flexibility, its certified even when the headband is worn in reverse. Choose between two suspension styles: Slide Lock (Standard): 6 point nylon with quick slide sizing (fits head sizes 6"8") Ratchet (Secure Fit): Easy turn knob