Donegan OptiVISOR® Assembly Only Kilns & Furnaces tail-first

tail-first

The ring forming kit allows you to effortlessly form a variety of rings—thick

allowing some bounce-back with each strike

Priced by the dwt

making them a good choice for stone-setting and forming

Donegan OptiVISOR® Assembly Only Kilns & Furnaces tail-firstThis OptiVISOR assembly comes without lens plates; it holds one interchangeable, lightweight glass lens plate of the magnification of your choice. The interchangeable, lightweight glass lens plates (sold separately) are ground and polished to prismatic optical standards and are available in a variety of strengths to suit individual requirements. An adjustable tension pivot assembly keeps the visor in the desired position for optimal viewing of your