Protech Don automatic knife.

The Protech Don switchblade knife. Italian knife design with american quality.  SPECS: Overall length 8.1".   The Don weighs in at 2.4 ounces. BLADE: 154-CM Stainless Steel 3..5" long, 0.110" thick. Handle: 6061-T6 Aluminum, 4.6" Long, 0.9" Wide, 0.45" tapered to 0.37" Thick.  Made in the USA.  

Protech Don Auto Knife
Protech Don 1733 Automatic Knife Red Black G-10 Satin