Arrowhead Forensics Reversible L Reference Scales Size:Hinged - 180 mm x 450 mm Fully customizable web and loop

Fully customizable web and loop platforms

double-flanged stems provide secure seals and all-day comfort

Whether you're a duty-bound first responder or a prepared civilian

Various attachments to secure additional equipment

embossed top and bottom add structure and durability

Arrowhead Forensics Reversible L Reference Scales Size:Hinged - 180 mm x 450 mm Fully customizable web and loopThese reference scales are two sided with one side printed black on white, and the other white on black. They are made of rigid plastic. The scale is designed for impressions, but can be used in any picture that needs scale in length and height. Hinged models offer more versatility.