Fiberglass Folding Rule, Outside Reading

Black markings on yellow, with red stud center markings every 16 inches
Measurements are marked on both sides and both edges, graduated to 1/16-Inch
Engraved graduations on both sides
Constructed of tough nylon, reinforced with glass fibers for added durability
Resistance to weather, abrasion, and most chemicals
Positive locking joints and stainless steel spring hinges for added strength