From Exotek Racing:
Heavy duty 7075 alloy wing mounts for the TLR 22 4.0 (not 22 3.0 or 22-4). Long lasting durable design that is machined to be lightweight and sleek. Works with the stock wing disks or Exotek style wing buttons.
Polished, laser etched and anodized in black. 10.7 grams.