This product is a single-lumen catheter, which comes with a shaping needle in the packaging. The microcatheter consists of a stress relief bumper and a catheter shaft. The connector is made of nylon; the stress relief bumper is made of synthetic rubber/Pebax; the catheter shaft is made of Pebax, reinforced with an inner lining of 304 stainless steel, with an inner layer material of TFE and an outer hydrophilic coating. The product is available with either a single marker or double markers at the distal end. It is sterilized with ethylene oxide and intended for single use.