Pack of 10-Bergeon 30080-1.20mm Screwdriver Blades Bails this chain is well-suited for

this chain is well-suited for jewelers producing multiple pieces or custom-length necklaces and bracelets

0mm strips feature 20 teeth per inch (TPI) for a finer serration

reducing hand fatigue during extended use

Intended for use with a compatible jewelry marking machine

Suitable for round wire drawing applications

Pack of 10-Bergeon 30080-1.20mm Screwdriver Blades Bails this chain is well-suited forGenuine Swiss Made Bergeon 30080 replacement screwdriver blades in the 1. 20 mm diameter, single ended set screw style. Designed to fit the most popular Bergeon set screw type screwdrivers, these original steel blades provide reliable performance for precision watchmaking and watch service work. Note that these are the original steel blades not the more recently developed stainless steel blades. Features Genuine Swiss Made Bergeon 30080 series