Product description

Style:Inside

·  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, and resistance to weather, abrasion, and most chemicals

·  Positive locking joints and stainless steel spring hinges for added strength