This 16 Inch, two arm Manhole Cleaner with Debris Shield and Safety Cage is all stainless steel, features up to 5000PSI, has a debris shield to prevent arm damage, has a safety cage to prevent impact with the surface, is available in two sizes and is maintenance-free.  It also features an Inline Swivel with either a 1/4" or 3/8" water port and a self rotating arm.