Lufkin Derrick surveying tape measures have a Chrome Clad blade with a nominal blade thickness of .019”. Lufkin Derrick surveying tape measures feature an extra large winding drum provides rapid line recovery and that permits the tape line to be easily detached from reel, a special hook ring with a ribbed face at zero and a leather thong is provided to use through the eye at the rear when the tape is removed from reel.