Wide Span Clock Key

Contains:
3 each of Large Double Key Nos. 3, 4, 5, 6, 7, 8.
3 each of Small End Key Nos. 1.60, 1.65, 1.70, 1.75, 1.85 and 1.95mm.

541.01 No. 8 4.25 x 4.25mm
541.02 No. 6 3.75 x 3.75mm

Nos. 00 to 12 with key chain; Size: 1½”.
Winding and setting keys for key wind pocket watches.