Full Set Carpenter Marking Tools: this Hiboom carpenter pencil kit include 3 pieces solid deep hole mechanical carpenter pencil with built in sharpener, 18pcs marker refills, 1 piece automatic center punch tool and 1 piece carbide scribe tool; Multiple tools can meet your different marking needs in working Built in Sharpener Carpenter Pencils: the woodworking pencils come with a built in sharpener screwed into the top of pencils for convenience; 45 mm deep hole extended and needle nose tip design make the construction pencils fit into small holes and deeper recesses to mark drill holes well Spring Loaded Center Punch: the metal punch is made of chrome plated steel body and deeply knurled surface, not easy to slip and offering more precise handling and control; The adjustable tension screw allows you to use your one hand to operate with little effort, which can easily and accurately mark a centering spot for drilling holes Precise Metal Carbide Scribe: this etching engraving pen has a reliable tungsten carbide tip and knurled aluminum body, providing more control and comfort; The metal scribe comes with a protective vinyl cap over the scribe tip while not using, to prevent the tip from damaging other things Widely Use: Hiboom pencil set come with handy pen style design with convenient pocket clip; 18 pcs black red and yellow refills can meet your marking needs for a long term and wide applied for metal wood glass ceramics paper and more; These carpenter mechanical pencil are suitable for machinist architect carpentry working Mechanical Pencils Set with Center Punch Carbide Scribe Tool Marking Tool for Metal Glass Wood Ceramics Let's Work Efficiently in Daily Life! Why Choose Us? -Doing the marking work just equipped with this full set of tools. -Reliable and quality, user-friendly and creative design make the work easier and more efficient. -Simple to operate and easy to use with little effort. Specifications: Material: plastic, metal, alloy, steel Color: red, yellow, black, gold, silver Size: Carbide tipped scriber tool: 14 x 0.8 cm/ 5.51 x 0.31 inch Automatic center punch tool: 13 cm/ 5.12 inch Woodworking pen(red/yellow/black): 14.5 cm x 2 cm/ 5.7 x 0.78 inch Marker Refills:12 cm/ 4.72 inch Package contains: 3 x Mechanical carpenter pencils 1 x Metal carbide scriber 1 x metal hole center punch tool 3 Packs marker refills(6pcs balck,6pcs yellow,6 pcs red) Notes: Manual measurement, please allow slight errors in size. Small parts are included, adult supervision is required when they are played by people under 3.