Thunder Basin Knives - T103 ASSISTED OPEN KNIFE. Polished Silver Blade 440C Stainless Steel 440C STAINLESS STEEL BLADE - Polished Silver Blade G10 COMPOSITE HANDLE ON A STEEL FRAME Blade uses a liner lock to keep the blade from closing while in use. Spring assist / assisted open blade opens quickly with one finger. 3.25" blade. 8.0" Overall Length. 4.6 Ounces.