1Product Usage: This tube cutter is suitable for cutting small glass tubes (with a tube diameter of about 3cm / 1.2in). It is manually operated, accurate and secure, and you can use it with confidence. 2Convenient to Use: The tube cutter is convenient to use, simply insert the glass pipe into the cutter and rotate the tube to make precise marks, then break the tube along the marking line. 3Portable and Efficient: This test tube cutter is handheld and portable, secure to operate and labor saving, without worrying about scratching hands or glass tubes, greatly improving cutting efficiency. 4Metal Structure: The glass tubing cutter is made of stainless steel, and the cutting wheel is made of 304 alloy steel, high temperature resistance, erosion resistance, oxidation resistance, and has high hardness. 5Compact Design: This test tube cutter features a compact size and lightweight design, making it easy to use, store, and carry, convenient for you to use anytime, anywhere, and meet more needs. 1 xTestTube Cutter (with Blade)