The Solinst Tag Line uses a weight attached to marked cable, and is designed for use in the installation of monitoring wells. It can be used to measure the depth to the bottom of a well, or the depth to the top of a backfill sand or bentonite layer during completion of a well. The Tag Line uses 1/16" (1.6 mm.) stranded stainless steel wireline with a minimum break strength of 270 lbs. (122 Kg.) The 304 stainless steel weight is 1.5 lbs. (680 g). It has tapered ends to minimize hang-ups during deployment and return to surface and can be clipped on and off the cable. This allows the use of the reel-mounted, marked cable for other uses, such as bailer deployment. The cable is mounted on a sturdy, free-standing reel with a carrying handle, weight holder and a brake. Ideal for use when installing Solinst Model 403 CMT Multilevel Systems, the tag line comes in a standard length of 100 ft to 1000 ft (30 m to 300 m), but is also available in longer lengths, on request.