Stainless Steel Anti-corrosion Retractable Metric Ruler

ELECTROPLATING COOL GRAY HIGH-PRECISION FROSTED SCALE SHELL DURABLE: 1-inch wide nylon-coated stainless steel blade resists rust & corrosion. Dual side matte finish white scale print. The hook protector protects the hook in the retraction. FULL BODY WASH, WATERPROOF MAX  EASY CLEAN: Patented hollow design allows sand or water to get through. No worry about sand, oil, or mud. All of them will be easy to clean. You can use them in any poor working conditions, such as subsea measurement or mud measurement. Anti-rust/anti-fouling/water-proof/corrosion-resistant NICKEL-PLATED RULER TAPE STAINLESS STEEL COMPONENTS: Stainless steel components make the tape measure strong, rustless, and more durable. Such as stainless steel ruler blades, and stainless steel springs. The whole equipment is impact resistant and rustproof. ZERO CORRECTION STAINLESS STEEL RULER HOOK  AUTOLOCK MECHANISM: Blade automatically stays extended while the AUTOLOCK pushes a button. It also provides smo