Hole End Clock Mainsprings (4 mm to 13.5 mm height)

4.00 x .30 x 640 4.50 x .30 x 650 4.75 x .18 x 1145 5.00 x .30 x 700 6.00 x .20 x 900 6.00 x .24 x 1150 6.00 x .25 x 325 6.00 x .25 x 1000 6.00 x .28 x 500 6.20 x .42 x 1200 6.40 x .25 x 600 6.40 x .28 x 390 6.40 x .28 x 840 6.40 x .28 x 975 6.50 x .25 x 325 6.50 x .33 x 800 7.00 x .22 x 575 7.00 x .25 x 325 7.00 x .25 x 575 7.00 x .25 x 925 7.00 x .25 x 1000 7.00 x .30 x 700 7.00 x .30 x 1200 7.00 x .32 x 1000 7.00 x .40 x 850 7.85 x .43 x 1050 8.00 x .20 x 630 8.00 x .25 x 800 8.00 x .25 x 1000 8.00 x .25 x 2200 8.00 x .28 x 1125 8.00 x .30 x 700 8.00 x .35 x 1800 8.00 x .41 x 1350 8.30 x .33 x 1350 8.50 x .20 x 1000 8.50 x .36 x 500 8.70 x .33 x 1650 8.80 x .24 x 580 9.00 x .25 x 1000 9.00 x .28 x 1130 9.00 x .32 x 460 9.00 x .43 x 1350 9.50 x .23 x 1000 9.50 x .26 x 1050 9.50 x .28 x 1200 9.50 x .30 x 1050 9.50 x .35 x 1000 9.50 x .35 x 1200 9.50 x .45 x 1200 10.00 x .20 x 1000 10.00 x .25 x 810 10.00 x .25 x 1000 10.00 x .28 x 1130 10.00 x .32 x 1850 11.00 x .25 x 1000 11.00 x .28 x 1225 11.00 x .30 x 1000 11.00 x .30 x 1900 11.00 x .35 x 1200 11.00 x .35 x 1650 11.00 x .40 x 1380 11.00 x .40 x 1500 12.00 x .25 x 810 12.00 x .25 x 1000 12.00 x .28 x 1130 12.00 x .28 x 1200 12.00 x .30 x 800 12.00 x .30 x 1325 12.00 x .34 x 1150 12.00 x .36 x 1800 12.00 x .38 x 900 12.00 x .38 x 1400 12.00 x .40 x 1100 12.00 x .41 x 1650 12.00 x .46 x 2400 12.50 x .35 x 1800 12.50 x .46 x 1500 12.65 x .22 x 1000 12.70 x .20 x 1950 12.70 x .33 x 675 12.70 x .33 x 1500 12.70 x .46 x 2400 13.00 x .25 x 800 13.00 x .25 x 1000 13.00 x .28 x 1130 13.00 x .30 x 800 13.00 x .30 x 975 13.00 x .30 x 1325 13.00 x .35 x 950 13.00 x .50 x 760 13.50 x .27 x 1800 13.50 x .50 x 760 13.50 x .55 x 700 Height x Strength x Length (mm)