The Orenz mechanical pencil has a sliding tip pipe that moves as the lead wears down, so you can write without extending the lead. The pipe tip has a reduced edge for a smooth writing feel.
Features
Write without extending the lead, helping it resist breakage.
One knock lets you write without extending the lead.
Built-in lead: HB
Size: 13 × 9 × 145 mm; weight: 10 g
Materials: metal parts—brass, iron, and stainless steel; resin parts—PC and PP