ToughStripe Floor Marking Tape, 4 in x 100 ft, Yellow ORS NASCO and tube diameters Perfectly parallel jaw and tube diameters Perfectly parallel jaw surfaces provide secure grip and reduce possibility of damage Non protruding jaw with thinner jaw profile permits easier use in more confined spaces refrigerants resilient material that can withstand forklift traffic without tearing or lifting Easily removable in one piece without chipping or flaking and with no damage or residue to floor Highly visible with a glossy surface all at a lower cost than painted floor markings Surface resists marks and smudges and cleans up like new Low profile minimizes debris buildup along the edges that occurs with thicker (extruded) floor marks