I need 2 springs of each size for a shock strut. 8-12 weeks delivery is fine. The springs are metric and are closed end and ground. They are plain steel with no coating. Music wire or oil quenched and tempered steel is acceptable They are enclosed in a tube to prevent buckling. The long spring is the following dimensions: Wire diameter is 11mm (0.433 inches) Mean diameter of the coil is 53mm +/- 1mm (2.086 inches) The outside diameter of the coil is 64mm (2.519 inches) Free length is 431 mm +/- 1mm (16.97 inches) Number of active coils is 21 to 22 The total number of coils is 23 to 24 The short spring is the following dimensions: Wire diameter is 9mm (0.354 inches) Mean diameter of the coil is 55mm +/- 1mm (2.165 inches) The outside diameter of the coil is 64mm (2.519 inches) Free length is 110 mm +/- 1mm Number of active coils is 6 The total number of coils is 8 If this is not sufficient information please contact me on my mobile phone below in my signature and I will provide more data. Many thanks for your help. Best regards Paul DiMascio Chief Consulting Engineer Cross Fleet Services Phone: 864-254-4392 Mobile 864-616-7887 e-mail paul.dimascio@ge.com address: Paul DiMascio GTTC-174D 300 Garlington Rd Greenville, SC 29615, USA