Tool set for opening backs of large watches Diamond and Moissanite testers 2 If you specifically need to

If you specifically need to test diamonds

turn the wheel slowly until the glass / back clicks into place

Works on any stone

Guarantee: 1 year

it's so easy to focus and to use

Tool set for opening backs of large watches Diamond and Moissanite testers 2 If you specifically need toSummary Opening kit for all sizes of screw back watch from 18mm diameter to 50mm diameter. It solves the problem of how to open larger (in addition to standard size) watch backs; how to open them when they are too stiff to open (with the opener) just by holding in your hands; and you get tweezers, a watchmaker's eyeglass and a good quality spring lug remover too all in a fitted case. case opener for screw back watches case holder box of attachments