D61B Blue Needle Springs

Traditional blued needle springs. Now you can match the springs in the woodwinds that use this type of spring. Also, useful for fitting into the small spring hook on some woodwind keys that the standard round spring will not fit into. Leave the needle end alone and cut the spring at the other end to any required length.  100 pc assortments do not come with vials or blocks.Listed below are the D61B sizes we have available. Diameter (in) Length (mm) D61B.0374 X 56.0394 x 62.043 X 60.0433 X 55.044 X 38.044 x 39.5   044 x 42.86.044 X 46.0472 X 62.0512 X 62.0551 X 90.063 X 90 D61A.0138 X 30.0157 X 30.0177 X 54.0197 X 54.0217 X 56.022 X 58.023 X 16.023 X 20.0236 X 56.0256 X 52.0276 X 56.0295 X 56 .0315 X 56.032 X 50.0335 X 58.0354 X 60.036 X 31.036 X 32.5.036 X 35.036 X 36.5.036 X 39.036 X 41.5.036 X 50                           Below are some new sizes for D61B's: Blued Needle Springs .0374x56 Replaces .037x50 ... ENGLANDBlued Needle Springs .0394x62 Replac