Add to Cart Mainspring, 1.70 x 0.100 x 300 x 9.00, Manual, AS 984 (= 1002, 1123, 1124) MSRP: Was: Now: £10.00 Mainspring, 1.70 x 0.100 x 300 x 9.00, Manual, AS 984 (= 1002, 1123, 1124)