Loop End Clock Mainsprings (9 mm to 25 mm height)

9.00 x .20 x 850 open loop 9.00 x .28 x 650 open loop 9.00 x .28 x 1275 open loop 9.00 x .30 x 2000 open loop 9.00 x .36 x 1500 open loop 9.00 x .40 x 1500 open loop 9.00 x .45 x 1200 open loop 9.00 x .45 x 1600 riveted loop 9.50 x .28 x 650 open loop 9.50 x .28 x 750 open loop 9.50 x .28 x 900 open loop 9.50 x .28 x 1275 riveted loop 9.50 x .33 x 850 open loop 9.50 x .35 x 2330 open loop 9.50 x .36 x 1200 open loop 9.50 x .36 x 1500 open loop 9.50 x .38 x 900 open loop 9.50 x .38 x 1325 open loop 9.50 x .41 x 1100 open loop 9.50 x .41 x 1350 open loop 9.50 x .43 x 2400 riveted loop 9.50 x .48 x 1200 open loop 10.20 x .36 x 1350 open loop 11.00 x .40 x 1500 open loop 11.00 x .46 x 1200 open loop 11.00 x .46 x 1500 open loop 11.00 x .46 x 2000 riveted loop 11.00 x .50 x 2000 open loop 12.00 x .45 x 2400 riveted loop 12.50 x .35 x 1200 open loop 12.50 x .35 x 1250 open loop 12.70 x .41 x 1650 open loop 12.70 x .46 x 1500 riveted loop 13.50 x .24 x 2000 open loop 14.25 x .35 x 850 open loop 14.30 x .38 x 1950 open loop 14.30 x .41 x 1650 riveted loop 14.30 x .46 x 2400 riveted loop 14.35 x .32 x 950 riveted loop 14.50 x .30 x 1200 open loop 15.00 x .40 x 1660 riveted loop 15.00 x .45 x 1660 open loop 15.00 x .45 x 1800 open loop 16.00 x .25 x 1550 open loop 16.00 x .33 x 1725 open loop 16.00 x .35 x 2700 riveted loop 16.00 x .45 x 2500 riveted loop 16.50 x .40 x 2400 open loop 16.50 x .46 x 2500 open loop 17.00 x .26 x 2400 open loop 17.00 x .40 x 1660 riveted loop 17.00 x .40 x 1800 riveted loop 17.00 x .45 x 1800 open loop 17.50 x .38 x 2700 riveted loop 17.50 x .40 x 2000 riveted loop 17.50 x .46 x 2400 open loop 19.00 x .25 x 1800 open loop 19.00 x .30 x 1800 riveted loop 19.00 x .31 x 2500 riveted loop 19.00 x .36 x 2700 riveted loop 19.00 x .40 x 1950 open loop 19.00 x .40 x 2500 open loop 19.00 x .40 x 4000 riveted loop 19.00 x .43 x 3000 riveted loop 19.00 x .45 x 2000 riveted loop 19.00 x .45 x 2400 riveted loop 19.00 x .45 x 2400 made in India (riveted loop) 20.00 x .45 x 1800 open loop 20.60 x .46 x 2400 riveted loop 22.00 x .40 x 1800 open loop 22.00 x .46 x 2400 riveted loop 22.00 x .50 x 2200 open loop 25.00 x .45 x 2400 riveted loop Height x Strength x Length (mm)