Deep-hole maker: the deep-hole welders pencil designed with extended and needle-nose tip of 45 mm in length, reaching hard-to-reach areas where other welders marker do not go, suitable for marking through holes or in other areas. Visible : silver is suitable for marking darker steel, our round refills are less erasable than , and reflective markers make a distinct mark for welders and tube fitters on oily, rough, smooth, wet, dry, icy, rusted surfaces. -in sharpener for marks: the pencil sharpener is screwed into the top of the mechanical drawing pencils, which won't get lost either and your mechanical pencil will be sharpened for . Marks on various surfaces: the long nosed deep hole carpenter making tool can mark on wood, paper, rusty metals, which is suitable for woodworking, fabrication, tube, fitter, welder, steel and so on. Package including: the welders markers are pre-filled with 1 refills, comes with 3 silver and 3 yellow refills in one boxes can meet your metal marking needs for a long-term usage. Colour: Blue Material: ABS Package Contents: 1 * Pen 1 box * Refills (3 silver and 3 yellow refills included in one box) Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.