Minimalist design meet maximum performance in the new 0230 from ZT and Danish designer Jens Ans酶. This slip-joint knife features a double detent system: two steel detent balls, one on each side of the blade. The hold the blade safely closed for carrying. Then, for controlled open and close, the 0230 also has a half-open position. Everything combines to make this a simple, yet extraordinary pocketknife.