0680 Watch Mainspring 1.40 x 0.08 x 266 (10 1/2")(Calibers in description) ETA 2368 2 1/2" x 1/8" Natural

2 1/2" x 1/8" Natural

Blocked rack (slide behind): Perfect for delicate work on gold cases

This multi-branch key is a handy tool for clock makers to wind clocks with one key

It measures 10" x 10" and is made in the UK

Be sure to pay attention to the positions of the key hole arbors to ensure proper ordering

0680 Watch Mainspring 1.40 x 0.08 x 266 (10 1/2")(Calibers in description) ETA 2368 2 1/2" x 1/8" NaturalDimensions: 1. 40 x 0. 08 x 266 (10 1 2") End Type: Tongue End Material: Swiss Made blue steel Calibers: AS 655, AS 953, AS 955, AS 959, AS 985, AS 1011, AS 1046, General 90, General 90A, General 900, Helbros 89, KF 19 25, KF 19 26, KF 19 35, KF 19 521, Lavina 115, MST 423, Recta C3, Recta C7, Recta C8 5, Recta C, Recta CA, Recta C12, Recta 18 12CA, Recta C24 1, Universal 458