Check the listing for details. KLEIN TOOLS 910-6 Fbrglass Folding Rule,6',Inside Reading 2DGE6. Condition: New. Listed at 33.45 USD. Folding Rule, Inside Reading, Thickness 0.28 in, Graduation Marks 1/16 in, Coating Not Applicable, Graduation Color Black, Red, Flexibility Rigid, Graduation Mark Style Etched, Edge Style Square, Orientation Horizontal, Folding Rule Type Inside Read, Backing Material Not Applicable, Finish Matte, System of Measurement Metric/SAE, Features Resistance to Weather, Abrasion, and Most Chemicals, Includes -, Rule Type Rule, Numeric Marks Feet, Meters, Numeric Format Decimal, Length - SAE 6 ft This folding rule is constructed of tough nylon and reinforced with glass fibers for added durability and resistance to weather, abrasion and most chemicals. It features black markings on a yellow background, with red stud center markings every 16 inches.