Features:
Round : 44-42mm/41-40mm/39-38mm/37-36mm/35-34mm/33-32mm/31-30mm/29-28mm/27-26mm/25-24mm/23-22mm/21-20mm/19-18mm/17-16mm/12-10mm
Flat: 33-32mm/31-30mm/29-28mm/27-26mm/25-24mm/23-22mm/21-20mm/19-18mm/17-15mm
Semi-Round: 35 mm
Thread hole is approx. 5mm

What's included:
1 x set of 25 alloy dies for watch repair