For fine and filigree applications the ergonomic, very light screwdriver from BERGEON is ideal for precision mechanical watchmaking work; made of stainless steel and Delrin plastic; with large, rotating, self-lubricating octagonal head. Comfortable the shaft is very easy to grip and ensures good contact between hand and tool. Details – Bergeon number: 6899-100, design: 1.0 mm, black. Quality seal Bergeon products testify to first-class Swiss made quality, which has been appreciated all over the world for many decades., Weight: 1.10231131E-4 pounds, Manufacturer: Bergeon