Stanley 33-530 Powerlock Micro Tape With Blade Armor Coating, 30'Highlights: Size: 30' Reinforced with Blade Armor coating on the first 6" for 2 times the blade life Wear plate protects case from being cut by blade 16" and 19. 2" stud center markings on blade for framing purposes 1" blade coated with Mylar polyester film for added durability Forward blade lock makes it easier to lock and unlock the blade 7% thicker blade for increased durability and 8 of standout Comfortable ergonomic case design Chrome plated case