Holders for Balance Screws 0.80 mm Rolex® 192 Cuckoo Weight 375g is a

Cuckoo Weight 375g is a standard style pine cone shape weight specifically for cuckoo clocks

Tissot® Crown (Mido® Style) TI-TIS21

properly hardened steel

and a metal rod with a complete length of 130 mm

Overall length is 8-1/4"

Holders for Balance Screws 0.80 mm Rolex® 192 Cuckoo Weight 375g is aHolders for Balance Screws 0. 80 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. 80 mm. Total length of this pin vise is 115 mm.