1/2" (13mm) x 33' (10m) with black markings bonded to steel Recessed beneath multiple layers of nickel and chrome electroplating Provides greater resistance to wear and corrosion All tapes read right to left Heavy-duty frame designed for years of rugged use All frames include a grounding strap Plumb bob must be ordered separately Recommended Plumb bob: 590GME Blade style: D6