The Marketlab-13039 ESR (Erythrocyte Sedimentation Rate) Rack is designed to securely hold up to 10 ESR tubes while providing convenient pipette support. Its durable plastic construction ensures stability during handling and testing, while the pipette clamps allow safe and organized placement of pipettes, improving laboratory workflow. Ideal for clinical labs, diagnostic centers, and research facilities performing ESR tests or other sample analyses requiring precise tube handling.