Stanley STHT30830 30ft LeverLock Tape Rule features a corrosion-resistant Tru-Zero hook end that allows for accurate measurements. It has a push-release self-locking mechanism which controls blade retraction, along with a 1-inch polymer-coated blade for increased durability that withstands abrasion. This tape is designed with a high-impact ABS case with durable rubber that holds up to heavy use. It also offers 16" and 19.2" stud center markings to help simplify framing jobs. Top edge: Major scale numbered in consecutive feet. Minor scale numbered in consecutive inches after each foot. Graduated in 16ths of an inch. Bottom edge: Numbered in consecutive inches, graduated in 16ths of an inch.