seahorse diving, is in the business of propeller polishing on large vessels and guarantees that you will find this machine offers outstanding performance, and cost savings. it is extremely well made and rugged. close tolerances and sealed bearings insure a long working life. in case spares are required we have a full stock of parts, easily referenced from our brochure. you will recoup your investment in the profit from the first few jobs. no more hydraulic tools to repair! no more operating pumps on the dock!! silent operation. divers familiar with the polishing procedure will have no trouble handling the unit, as pressure adjustments are done underwater. pads, stones and brushes can be changed underwater. a selection of 3-m type diamond abrasive discs is also offered. discounts for bulk purchases are offered.