The Benchmark Scientific BV1000-H500 is a horizontal tube mounting head and can hold 2 x 1.5ml tubes on the BV1000 Benchmixer vortex mixer. This Benchmark Scientific Horizontal Head is designed for holding 2 x 50ml tubes. The horizontal configuration offers stability and convenience during centrifugation processes. Compatible with specific models, this head ensures secure fitting and efficient spinning of samples, making it ideal for various laboratory applications. Upgrade your centrifuge with this high-quality Benchmark Scientific Horizontal Head for reliable performance and precise results.