Not easy to rust: high-strength aluminum alloy and two stainless steel plugs offer wear-resistant and incomparable performance for long-lasting use. ACCURATE SCALE & : Our square center marker is equipped with advanced engraving technology, allowing to realize precise and clear markings on its side scale marked in "inches". You can mark with confidence knowing it's designed to resist wear and tear and offer long-lasting readability. WIDE APPLICATIONS - With the square center marker, accurately determine the center of the edge of any fixed plate, straighten the blade and table, and make sure the board edge is perpendicular to surfaces for a wide range of woodworking tasks. Adjust the chisel and blade angles on the sharpening guides for optimal results. MORE ACCURACY: Perfectly center marks with ease using our square center marker. Accommodate larger pencils with the 1/16" bottom diameter center marker hole and ensure accurate lines on the go. Space-saving design: Take our Square Center marker wherever you go, thanks to its small size and lightweight design. Store it in a pocket or carry it in the storage box without taking up too much space., Weight: 0.13117504589 Pounds, Manufacturer: Rtxbvg