The Stanley® PowerLock® tape measure features BladeArmor™ coating on the first 3" to maximize durability of blade. The remainder of the blade is covered with high-visibility Mylar® polyester film to extend life of entire blade. The 3-rivet, corrosion-resistant Tru-Zero™ end hook helps provide accurate measurements. Conversion tables and useful formulas are printed on the back of the blade. Compact case design.