2Pcs Detachable Plastic Centrifuge Tube Rack Holder for 15ml and 50ml

Test tube display stands--the rack comes in two different sizes of wells, suitable for 15ml and 50ml test tubes, test tube holder.
Centrifuge tubes stands--suitable for test tubes of 2 kinds of capacity, namely 50ml, 15ml, test tube storage rack.
Lab tube racks--easy to use and operate, students, teachers or parents are available, centrifuge tubes rack.
Multi-functional test tube rack--the plastic test tube racks are using plastic material, which will stand up to the wear and tear of the lab, lab tube rack.
Test tube holder rack--designed for use in professional laboratories, but is an choice for science classrooms and household use, tube racks

What's in the box
2 x Detachable Plastic Centrifuge Tube Rack Holder