Rod is made of tough, non-conductive fiberglass that is water-resistant and corrosion-resistant. It is rectangular in shape with rounded back corners for easy gripping. Top section has a 1/4 x 20 thread for attaching a mini prism. There are four sections that allow it to extend and retract for transport and storage.

Choice of 2 Graduations:Feet/10ths/8ths

FSS-3 3m3sec

FSS-4 4m4sec

FSS-5 5m5sec

FSS-7 7m6sec

FSSC-3A 8ft 2sec

FSSC-4A 13ft 3sec

FSSC-5A 16ft 4sec

FSSC-7A 20ft 5sec

FSSC-8A 25ft 6sec