Fiberglass Ruler Inside Read 910-6
- Constructed of tough nylon, reinforced with glass fibers for added durability, and resistance to weather, abrasion, and most chemicals
- Positive locking joints and stainless steel spring hinges for added strength
- Measurements are marked on both sides and both edges, graduated to 1/16th inch
- Black markings on yellow, with red stud center markings every 16 inches
- Engraved graduations on both sides.