STANDARD RING - for flat surfaces or curved surfaces over 40 inches in diameter.
FLEX RING - For flat or curved surfaces down to 4 inches in diameter.
Smaller than list - look at the DeFelsko Bresle patches.
Reusable patch with Standard or Flexible magnetic ring
PosiPatches (24) - for use with PosiTector SST PosiPatch Kits - SSTPATCHP24
PosiPatches (5) - for use with PosiTector SST PosiPatch Kits...
Flexable Dispenser Tips
Syringes with needles
There are various accessories available for the SST,