Jewelry Tools

Needles and item to be tested are rubbed on test stones and treated with acid to determine match.

Replacement box for holding the metal testing kit.

Stone used with solutions and test needles to determine karat values.

Economical black glass stone used with solutions and test needles to determine karat values.

Measures: 2″ x 1-1/2″ x 3/16″

Natural testing stones are used with solutions and test needles to determine karat values of precious metals.

Asco Swiss Made loupe. Type H, 2.5x. 25mm diameter. Screw in bezel for easy lens cleaning.

Asco Swiss Made loupe. Type H, 3x. 25mm diameter. Screw in bezel for easy lens cleaning.

Asco Swiss Made loupe. Type H, 3.5x. 25mm diameter. Screw in bezel for easy lens cleaning.

Asco Swiss Made loupe. Type H, 4x. 25mm diameter. Screw in bezel for easy lens cleaning.

Asco Swiss Made loupe. Type H, 7x. 25mm diameter. Screw in bezel for easy lens cleaning.

Asco Swiss Made loupe. Type H, 10x. 25mm diameter. Screw in bezel for easy lens cleaning.

Used on platinum, gold, silver, and stainless steel watch bands and cases