This Select Fire D/A by Matt Diskin is a very smooth action scale release double action. Mirror and tumble finished multiground blade with dual thumbstuds. The handle has a tumble finish titanium frame with carbon fiber scales and lightning strike carbon fiber backspacer, tip up stainless steel clip. Firing is very smooth and fast, strong lock up, nice detent. Includes a nylon sheath. Light scratches are visible on the blade otherwise the knife is in excellent condition.