Ceiling wire comes in different material (galvanized steel, stainless steel, and Monel). Also comes in different lengths and sizes. Most common gage/length is 12 g x 12 foot and 12 g x 20 foot. Stainless Steel and Monel wire used in pool and MRI room applications.
Acoustical Isolation Hangers (ARH1) come with different sound dampening densities.