<p>Pocomoco 3 Packs Plastic Test Tube Rack, 21 Holes Lab Test Tube Rack Holder for 30mm Test Tubes, White, Detachable (21 Holes)<br /> <br /><strong>Tube Rack Holder Specifications:</strong><br />Material: unbreakable plastic made.<br />Dimensions: 9.7 x 4 x 2.5 inches. <br />Color: white.<br />21 slots for up to 1.2" tube.</p> <p><strong>Package Include:</strong> <br />3 * Tube Racks</p>