3 Packs Plastic Test Tube Rack 21 Holes Lab Test Tube Rack Holder for 30mm Test Tubes White Detachable (21 Holes)

Single product specifications: Specification: 21 holes : 30mm Colour: White Material: Plastic Size: 245 * 104 * 70mm Package Contents: 3 x pack test tube racks comes with unssembled Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.