Holders for Balance Screws 0.55 mm Omega® 471 30 mm opening diameter of

30 mm opening diameter of the inside ring

0mm Tool Steel Dies come in a variety of sizes

Please choose the size that best suits your needs

170-4 is a set of 1 hour and 1 minute hand

Holders for Balance Screws 0.55 mm Omega® 471 30 mm opening diameter ofHolders for Balance Screws 0. 55 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. 55 mm. Total length of this pin vise is 115 mm.