K & S PRECISION METALS 8131 1/4 x 12 Round Brass Tube Bend to desired shape Cut to desired length Used by craftsmen, machinists, hobbyists and modelers for a variety of projects. 12 inch, 36 inch lengths and tubing sizes are listed by outside diameter (O.D.) Hobby/Craft Home Improvement/DIY Electrical Engineering Education Static Models Puppetry Prototyping <span class="a-text-italic">and more!</span>