Assortment of 1000 Screws for Optical and Watches

(Packet of 10 pcs) A) 0.80 (2.10 x 2.20mm) D) 1.00 (3.30 x 3.40mm) B) 0.90 (2.50 x 2.60mm) E) 1.10 (3.70 x 3.80mm) C) 0.90 (2.90 x 3.00mm) F) 1.10 (4.10 x 4.20mm)

•Mainspring let down tools are used to safely unwind your clock’s powerful mainspring, so that you may disassemble the movement for proper cleaning and lubrication without injuring yourself and causing extensive damage to the movement. •These tools are designed to fit over your clock’s key, and work for almost all keys currently on the market. •Durable plastic handle with chucks made from quality steel.

Gauge 18-27; Packet of 10.