1128639 | ES-1905-1016-20-M (Each) --- Extension Springs - 19.05x101.6x2.01 mm Music Wire - Steel Spring SS080M0240S4S440FB 287 tooth - 861x12 mm

287 tooth - 861x12 mm Timing 3

Inside Circumference: 812

SC079W025RSLBR

25 tooth - 9x12 mm Metric Timing Pulleys - Aluminium - Sold per Each:

1128639 | ES-1905-1016-20-M (Each) --- Extension Springs - 19.05x101.6x2.01 mm Music Wire - Steel Spring SS080M0240S4S440FB 287 tooth - 861x12 mm3 4x4 inch Spring 19. 05x101. 6x2. 01 mm Extension Springs Steel Sold per Each: Base Category: Springs Extension Top Level Category: Springs Extension Music Wire Product Details OD (D0): 19. 05mm (19. 05mm is 0. 75 in.) Steel OD (D0): 19. 05mm (19. 05mm is 0. 75 in.) Overall Length (L0): 101. 6mm (101. 6mm is 4 in.) Wire Diameter (d): 2. 01mm (2. 01mm is 0. 079 in.) Max. Extension (L1): 188. 210mm Spring Rate: 0. 963N mm Initial Tension (IT): 12. 3N