Tape and hook: Nylon coating - the tape is used longer. Marking the bar on both sides. Three-color marking - quick and easy measurement of the measured distance. Sturdy stainless steel hook. The 4-rivet hook ensures extra durability. The construction of the rivets prevents debris from accumulating between them. Double sided hook. Shape and construction: Auto-Brake system. Impact resistant, rubber coated housing. Class 2 accuracy The CE certificate and the inspection certificate ensure that the roulette is extremely reliable and accurate. The shock-absorbing rubber brake provides protection for the strap when turning the roulette wheel. High-quality torsion mechanism ensures durability. The tool is used for: Measuring abrasive materials. For field measurement work.