The silca hx one essential kit is one of the most functionally efficient and aesthetically pleasing hex key sets on the market enclosed in a cnc machined beechwood box each tool rests in its own slot that clicks into place and is accessible with one hand the cnc box made from sustainable beechwood is hand sanded and finished before receiving the stainless steel silca shield and is just the icing on the cake for the beauty that is the hx one kit made from s2 tool steel coated with t