TENWIN ELECTRIC ERASER REFILL

Tenwin Electric Eraser Refills are premium replacement tips designed for high-speed, precise correction in sketches, technical drafts, and architectural plans. They are typically sold in bulk variety packs containing two standard sizes to accommodate both microscopic detailing and broader highlights.Standard Specifications & Pack Sizes• Two Core Diameters: Packs strictly separate refills into 2.3mm (thin tip) for precise lines or sharp hair highlights, and 5mm (thick tip) for broader area shading and blending.• Length: Most official Tenwin refills are 25mm long.• Standard Bulk Packs: Replacement sets usually retail as a 70-piece pack featuring 40 pieces of the 2.3mm refills and 30 pieces of the 5mm refills.• Material Composition: Made from flexible Thermoplastic Elastomer (TPE) to ensure high erasing capacity without scratching or tearing fragile sketch paper.How to Replace a Tenwin Eraser Refill1. Remove the Tip: Pull the metal or plastic clamp mechanism straight out from the nose of the electric pen.2. Open or Swap the Clamp: Slide the old eraser stub out of the clamp. Note: If you are switching from a 5mm refill to a 2.3mm refill, you must change out the metal clamp for the specialized thin plastic sleeve insert included with your original kit.3. Adjust and Insert: Place the new refill into the appropriate clamp, leaving roughly 3mm of the eraser head exposed.4. Lock in Place: Press the clamp firmly back into the eraser’s motorized spinning core