Holders for Balance Screws 0.90 mm

Holders for Balance Screws 0.90 mm is a specialized slide-locking pin vise specifically designed to hold balance screws. Many of the older watches were designed with balance screws, which need adjustment to ensure an even oscillation of the balance wheel. This holder is designed to hold a balance screw with a head diameter of 0.90 mm. Total length of this pin vise is 115 mm.