Ring Stretcher in wooden box Capacity_10g to 199g you see a spectrum of

you see a spectrum of colour (rainbow) interrupted with black (or white) lines*

Weight 106g

3-pronged adjustable opener with (in the separate box

The Oti is a combined standard (thermal) tester for diamond / non-diamond

Weighs down to 0

Ring Stretcher in wooden box Capacity_10g to 199g you see a spectrum ofSpecial clearance price while stocks last (once sold, there are no more) Handheld ring stretcher. Works by 'squashing' the ring around the outside as you turn handle. Includes 16 steel discs for ring shanks with thicknesses of between 4mm and 1mm. Yes it works fine but it's hard work compared with the large bench workshop models . However, as a low cost, simple, effective ring sizing machine go for it!