Portable Professional Diamond Tester Pen Gems Diamond Selector II LED IndicatorDescription: Diamond Selector II. Easy operation, lightweight. Feature: LED light and audio result indication. The red light will be showed and the audio indicator will ring if the stone is real diamond. Simple calibration for stones of various sizes. Accurate and reliable reading work with a testing platform for loose stones. Suggestion: In order to detect accurately, the proposed correction once a year. Specification: Material: ABS+ Alloy Size:

Battery: CR2012  (NOT included)

Caliber：509

Width of tips 0

Ronda 708-D6

Hand vice for scerwing and unscrewing bracelets (Third hand) To screw and unscerw bars of bracelets and links of any thickness

Bergeon 30081-C-200 - 2

Distance «center-small second» 6

Type : Ratchet Wheel  Replacement

Set of 10 screwdrivers No

Hattori PC21

Center Seconds is 1/5th Second Chrono

Suitable for watch makers and watch repairing workers to use