Air Sander, Manufacturer suggested retail price. $384.60 Hustler Straight-line, Reciprocal Action The only 2-Cylinder, common piston straight line with vertically-engaged, twin-drive gears Lack of "rolling gears" common to all other straight-lines eliminates "humping and jumping" at the end of each reciprocal stroke Two in-line Cylinders, micro-honed to eliminate cylinder-wall drag, power an oversize high-alloy piston Double rack and pinion gear assemblies give twice-normal gear contact for maximum balance and thrust Manufacturer: Hutchins WARRANTY: Repair only up to 1 yr