Hudson Bearings offers several varieties of lightweight aluminum body ball transfer for material handling on-board aircraft as well as an extensive line of stainless steel ball transfers for wet/outdoor environments. They also offer zinc-nickel plating for excellent corrosion resistance. The products, which are made in the USA feature: zinc nckel coating that offers increased life span and corrosion resistance exceeding traditional zinc; stainless steel inner race to increase load capacity by 100 LB per unit; multiple weep holes to allow additional dirt and debris to escape; hollow main ball to reduce weight by 30 percent; mounting clips for angled mounting and to increase the stability of each unit; delrin cap for noise and vibration reduction; and a two-year warranty.