Available for rM200 Portable Inspection Camera System, SeeSnake® D2B Drum has 165 ft long, 0.35 in. diameter push cable. Dual-nested spring provides gradual stiffness transition, making it easier to negotiate turns and tees. Providing clear view that is always upright, 1 in. diameter, self-leveling camera head has built-in sonde that pinpoints camera's position and depth with use of RIDGID locating receiver.