^{_{Stainless steel constant force spring}}Both magnetic and non-magnetic are available
Material standard: JIS G4313
Material: SUS 301

Specifications: 0.38*11*310
12 0.15*15
14 0.3*15
16 0.3*15
18 0.3*15
20 0.3*15
24 0.3*15
26 0.3*15
28 0.4*20
32 0.4*20
36 0.5*20
40 0.5*20
50 0.5*20
60 0.6*20
70 0.6*20