Details
BULLONGÈ assortment case back screws for brand name watches. All watch screws with straight line head, stainless steel. 18 differend sizes, total 180 pieces. Head diameter 1.5 up to 2.6mm, threat 0.7 up to 1.2mm, length 1.8 up to 2.5mm, details please see photo. These stainless steel case back screws are used to keep the back of the watch closed. This assortment allows you to be able to easily replace a watch case back screw that gets lost or damage, or is simply old and worn down.