Keson PG1825AL Short Tape Measure with Nylon Coated Steel Blade and Chrome Case, Auto Lock (Graduations:  ft., in, 1/8), 1-Inch by 25-Foot Automatic locking blade stay out without engaging a lock Nylon-coating extends life of the blade Case has a rubber grip protects the blade and stands up to heavy use Nylon-coated Steel blade Automatic, button-release lock