75 inches fully open--doesn't have the ubiquitous backspring
found on typical slipjoints, instead incorporating a fin on the spine of the folder's Titanium frame.
He did away with the external release tab and hid it within the frame, ditched the backspring
and replaced it with a blade stop, and added an internal ball bearing detent on the blade tang to keep the blade closed inside the handle.
irreversible hydrolysis, the condensation reaction, polymerization, is prevented because of the elastic backspring
of the chain parts;
We just called them "pocketknives"--simple non-locking folding knives you just threw in your pocket with loose change, and when you wanted to close the blade you simply pushed it forward from the backside, overcoming the backspring
and returning it to the handle.