Atlas® Oil Gauging Tape, 1 2 in W x 25 ft L, D1, Chrome Clad® Nubian® Double Duty, Used with 590 Plumb Bob ORS NASCO Combines the strength and waterproof Combines the strength and waterproof qualities of PVC with the durability of a polyester backing Has limited flammability with the ability to self extinguish should it catch fire Split back can be snapped around each leg and worn as chaps Cape venilated back for air flow Detachable hood laminated steel body for superior strength Hardened boron alloy shackles for extra cut resistance Proprietary rustproofing for longer life Commercial grade padlock features superior protection from drilling and prying Dual ball bearings locking for maximum pry resistance making it ideal for industrial applications or Nubian® styles Plumb bob must be ordered separately Chrome Clad® Nubian®