0380 Watch Mainspring 1.20 x 0.09 x 254 (10 ")(Calibers in description)
Dimensions: 1.20 x 0.09 x 254 (10 ")
End Type: Double Brace
Material: Original Factory blue steel
Fits Calibers:
Illinois 18/0 size 47383, 47783

Description
Dimensions: 1.20 x 0.09 x 254 (10 ")
End Type: Double Brace
Material: Original Factory blue steel
Fits Calibers:
Illinois 18/0 size 47383, 47783
