913 Mainspring for German and English clocks, hole end 17.00 x 0.45 x 1800mm913A 19.00 x 0.45 x 1800mm913B 22.00 x 0.45 x 1800mm913C 22.00 x 0.45 x 2000mm913D 25.00 x 0.45 x 1800mm
909 Mainspring for American Wall clock loop end 3/4" x 0.18" x 96" (8 days)910 Mainspring for American wall clock, loop end 11/16" x 0.18" x 96" (8 days)911 Mainspring for American wall clock loop end 5/8" x 0.18" x 96" (8 days)911A Mainspring for Ame
907 Mainspring loop end of Sizes: 8.00 x 0.35 x 1000mm, 8.00 x 0.42 x 1100mm, 7.50 x 0.38 x 1000mm, 7.00 x 0.32 x 900mm, 7.00 x 0.38 x 850mm 908 Mainspring loop end of Sizes: 7.50 x 0.22 x 550mm, 6.00 x 0.33 x 420mm, 5.00 x 0.30 x 450mm, 4.35 x 0.30 x 6