[Long Head Deep Hole Marker]This hole marker features an extended nib that can fit into tight spaces or mark inside small openings, perfect for nail and screw holes in frames and wood. [Versatile Marker]The long head deep hole marker is great for decorating furniture, and marking drill positions for shelves and lamps. It also marks deep holes for metalworking, car manufacturing, and other industrial uses. [Waterproof]This long nib marker dries quickly, resists smudging, and is waterproof. It works well on most clean, dry surfaces like aluminum, metal, concrete, glass, wood, and plastic, making it user-friendly. []Made from high-quality material, this construction marker is strong, long-lasting, and to aging. Its stable design is easy to hold, plus it has a 60mm ruler on the side for handy measurements. [Handy Marking Tool]The long nose marker is perfect for DIY tasks and crafts. Its thoughtful design allows for bold markings and reaching tough spots, making it a must-have for carpenters and DIY enthusiasts. Colour:Blue Material:plastic Package Contents: 4 x Long Head Deep Hole Marker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.