Sufficient Quantity: You can get 60 pieces of 2.8 mm solid silver pencil refills in 10 boxes per package, with 6 pieces per box. The ample quantity allows you to replace your carpenter marking pencils as needed, enabling smooth and clear lines to avoid repeated marking, improving work efficiency. You can also share them with your colleagues. Clear and Obvious Marking: Our mechanical pencil refills use silver-toned graphite, providing high visibility when marking on darker surfaces. The markings are resistant to erasure, allowing confident use on a variety of surfaces. Durable and Reliable: These mechanical pencil refills are made from quality materials, offering strength and durability. They are resistant to breaking and fading during use in woodworking, drawing, or marking tasks, allowing you to work with confidence. Versatile Surface Compatibility: Designed for reliable performance, these pencil refills work on a range of surfaces, including oily, rough, smooth, wet, dry, icy, and rusted surfaces. Suitable for applications in construction, woodworking, and technical drawing. Wide Application: These refills are compatible with various marking tools and ideal for use in scribing, carpentry, engraving, and glass work. Their versatility supports multiple creative and practical uses. Color: Silver Material: Graphite Size: 2.8 mm Package Contents: 60 x Pencil Refills (6 pieces per box) Note: Only the items listed above are included. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.