For extra long pencil tips, sharpen the wood first and then the lead, automatic stop prevents over sharpening, including two spare blades. 2 phases long-cone sharpener. In step 1 , only the wood is sharpened until the refill touches the automatic stop. Further sharpening is not possible. In step 2 , the lead is now precisely shaped. The automatic stop prevents additional peaking. A particularly long and pointed pen tip enables detailed work.