Adapt centrifuge buckets and tube racks to hold smaller blood collection containers securely with the Marketlab Adapter Pack. Designed specifically for 5 mL and 7 mL draw tubes with 12 mm to 13 mm outer diameters, these precision-molded resin adapters ensure proper tube centering and depth positioning during processing. Supplied in a pack of eight, they resist cracking, chemical exposure, and routine laboratory centrifuging forces, ensuring reliable specimen stability during clinical diagnostics and specimen preparation.