Bel-Art F18908-0015 Connecting Microcentrifuge Tube Rack; 1.5-2.0ml, 24 Places, 1&sup3;/ x 10/ x 2&sup1;/ in., Polycarbonate Stacking microcentrifuge tube rack holds 1.5 to 2mL centrifuge tubes Racks are stackable when full or empty or clip together to form larger arrays Polycarbonate racks are lightweight, UV- and chemical-resistant, and steam-autoclavable at 121 degrees C (250 degrees F) Holds up to 24 microcentrifuge tubes 2-1/2 x 10-5/8 x 1-3/4 inches /6.4 x 26.8 x 4.8cm (H x W x D)