![Dumont Pattern 7 Carbon Steel Tweezer](http://perrinwatchparts.com/cdn/shop/files/57-244-300_300x300.jpg?v=1709969839)
Dumont Pattern 7 Carbon Steel Tweezers are excellent tweezers for handling all miniature and micro-miniature parts and components. In watchmaking this is commonly known as a hairspring tweezer. The shape permits the user to rest his hand on the bench during assembly operations. The curved shanks have beveled edges, points have a plain finish, but are very sharp. Hardness: very hard. Not Non-magnetic, poor corrosion and acid resistance. Overall length 4 1/2" (114 mm).