Be confident in your purchase, we are a certified MADI Dealer. How cool is that?? Features Benefits: Easy to read black markings on green background Red center-point markings to quickly find the middle ? great for any drilling Concrete pole drilling Inside reading for easy and precise layout Measurements are marked on both sides and both edges graduated to 1/16-Inch Compact 12? folded length and 72? extended length Engraved graduations on both sides for maximum abrasion resistance Constructed of glass-reinforced nylon for maximum durability and weather resistance Positive locking joints with corrosion-resistant stainless steel spring hinges for maximum reach The MADI MPFR-6 6' Inside Reading Fiberglass Folding Ruler has easy to read red and black center-point markings which help users to quickly find the middle of anything they're measuring. Constructed for maximum durability and ease of use.