Assortment of 10 Ergonomic Screwdrivers. Stainless Steel with Elastomer Membrane. Bergeon 6899-A10 Set of 10 Ergonomic Screwdrivers in Wooden Case, Sizes 0.50 to 3.00mm. Shank: Stainless Steel Handle: TPE Elastomer Coated Blades: Hardened Stainless Steel – Spare Blades in Plastic Tubes Wooden Case Included. Sizes: Ø0.50mm, Ø0.60mm, Ø0.80mm, Ø1.00mm, Ø1.20mm, Ø1.40mm, Ø1.60mm, Ø2.00mm, Ø2.50mm, and Ø3.00mm. We only sell brand new products. 100% Made by Bergeon Swiss and Brand New.