Standard Steel Pinion Blank 6, 7, & 8 Leaves.
Wardle's standard pinion blanks are designed to fit the vast majority of antique clocks. They are manufactured with a generous length dimension, allowing them to be cut and machined to fit the individual clock being worked on.
Minimum diameter of 6 leaf pinion cut 3.20mm
Minimum diameter of 7 leaf pinion cut 4.55mm (over 3 teeth)
Minimum diameter of 8 leaf pinion cut 3.85mm