Stainless steel smoke detector detail information as following:

1.Material:  0.05-1.0mm stainless steel 301/301

2.Hole diameter:0.5-0.8mm or per customer request

3.Length:43-185mm

4.Width:5-20mm

5.Packing:100pcs wrap up by paper, and than put into foam and carton boxes.

6.Usage: mainly for smoke detector

7.Any size is available

8. Nickel plating ,gold plating is available