Works great in Labs, Classrooms or for Home Experiments!
Adjustable Temples
Black
Adjustable temples with eyelets to attach to a neck lanyard. Dimensions: Frame Outer Diameter: 6.125 Inch (mm). Frame Inner Diameter: 5.5 Inch (mm). Frame Height: 2.25 Inch (mm). Temple Adjustment Range: 0.75 Inch (mm).