D61A Blued 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.  The new vials will not fit your wood block if it was purchased before January of 2020.  100 pcs assortments do not come with vials or blocks. Listed below are the sizes we have available. Diameter (in) Length (mm) 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       D61B.037 X 50.0374 X 56.0394 x 62.043 X 60.0433 X 55.044 X 38.044 x 39.5   044 x 42.86.044 X 46.044 X 54.6.0472 X 62.050 X 60.0512 X 62.0551 X 90.063 X 90 Below are some new sizes for D61A's: Blued