Clock Key Set

Square clock key set containing Keys # 3-11.

Clock key sizing chart
Shaft width / Key #

1.75mm = 000 Key
2.0mm = 00 Key
2.25mm = 0 Key
2.5mm = 1 Key
2.75mm = 2 Key
3.0mm = 3 Key
3.25mm = 4 Key
3.5mm = 5 Key
3.75mm = 6 Key
4.0mm = 7 Key
4.25mm = 8 Key
4.5mm = 9 Key
4.75mm = 10 Key
5.00mm = 11 Key
5.25mm = 12 Key
5.5mm = 13 Key
5.75mm = 14 Key
6.0mm = 15 Key