This Kershaw Ken Onion Boa, Model 1580ST, has a ti-nitride coated S60V440A stainless steel 3.25 inch serrated blade with a 6061-T6 aircraft aluminum handle. The Speed-Safe torsion bar assisted opening allow this knife to be opened with one push. When closed this 4.9 oz Kershaw knife is 4.75 inches long.
Kershaw 1580ST Technical Specs: