Key benefits No sharpening required: replaceable graphite nibs fit portable inkless pencil tips for smooth writing without the need to sharpen Efficient replacements: a sufficient quantity of nibs to meet replacement needs and minimize downtime Durable and erasable: graphite nibs are strong, less prone to breakage, provide smooth writing with easy erase Easy to : screw interface design allows quick disassembly and simple nib replacement Portable and shareable: compact set that you can easily carry and share with friends, students, or colleagues Product details Material: graphite Type: replaceable nibs for portable inkless pencil tips Interface: screw design for easy disassembly and replacement Quantity: ample supply to meet various replacement demands Compatibility: designed for use with compatible screwinterface pen tip systems What you get A sufficient quantity of replaceable nibs to support ongoing use and multiple replacements Nibs designed to work with portable inkless pencil tip systems for consistent performance Use scenarios In classrooms and schools: teachers and students reduce downtime from sharpening and refilling, keeping lessons flowing smoothly Onthego notetaking and drawing: professionals, designers, and writers enjoy quick nib swaps during fieldwork or meetings Home use with family and friends: share a reliable set of nibs for everyday writing, sketching, and journaling