The outer (prepolishing) ring of this lap is the Tin Plus lap, which holds diamonds strongly, has a firm surface, and a low friction factor. It’s ideal for rapid removal of subsurface damage from cutting.
The inner (polishing) ring of this lap is the Greenway polymer, embedded with chromium oxide.
This lap works great with our line of Voodoo Magic Polishes and pre-polishing compounds.
This lap is especially recommended for repair cutting and rapid production work with emeralds. However, because chromium will polish almost any gem material, it’s a great lap for rapid production work with a very wide range of gems.
Double-charged laps are not for beginners.
Protips:
The polishing portion of this lap can, with pressure and speed, cause heat to build very rapidly. This can melt your dop wax, or release your CA or even epoxy, causing your stone to shift or even fall off the dop. Keep one finger in contact with the stone at all times to monitor for heat build-up – and moderate your speed and pressure.

