LeverLock® Tape Measure, 1 in W x 25 ft L, SAE, Black Yellow no checkout Heavy duty PVC designed to Heavy duty PVC designed to filter far near UV radiation and blue light Transparent curtains providing UV and blue light protection when visibility is necessary Curtains are grommeted across top and in each corner Hemmed with high temperature thread Actuated by striking with a hammer self locking mechanism High impact ABS case with durable rubber shell withstands heavy use Engineered for abrasion resistance with polymer coated blade Measure accurately using corrosion resistant Tru Zero® end hook Non marring base helps protect work surface Seamless blade retraction with push release