Screw driver is a worthwhile investment just like your watch. It is the most delicate repair tool for watches. They need to fit on the pinholes while providing a smooth rotation. TMI, a leading manufacturer of watch repair tools. Sofly distributes reliable screw drivers from TMI. If you are looking for an item that is not listed below, please email us at [email protected], we will try our best to find it! Get $5 off with orders over $50 with coupon: SOFLYGO.