About this item

• Capacity & fit: 50-place test tube rack with 18 mm bore (0.71 inch) for a secure, interference fit with StonyLab test tubes
• Retention: silicone pads in every well provide positive retention and allow inversion without tube detachment
• Structural support: six load-bearing pillars with screw-fastened base prevent sagging under full load
• Material specification: PP (polypropylene), burr-free, reusable, deformation-resistant
• Cleaning & workflow: smooth surfaces for facile cleaning and routine lab use