Mechanical Metal Marking Pencil: This mechanical welder's pencil features a built-in sharpener and pocket clip for convenient carrying and use. Simply press to advance the lead, eliminating the need for traditional hand-sharpened wooden pencils.Illuminate Silver Marking: The silver round refills produce visible marks on metal and oily surfaces, maintaining performance in high-temperature welding environments. Compared to soapstone, the markings are more resistant to abrasion and less likely to be erased.3-Claw Refill Holder: The three-claw nib design securely holds the refill to prevent breakage and allows quick adjustment of refill length for precise marking in deep or tight areas.Widely Applicable: Suitable for a variety of applications including steel welding, architectural design, sheet metal and steel scribing, engraving, and general metal layout tasks.Material: Metal Color: Red Package Contents: 1 x pen 1 box x refill (12 pcs) Note: Light and display differences may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3 cm.