Freezer Tube Box 81 Places Rack for 1.8/2ml Microcentrifuge Tubes 6in1 Set Speaker Dust Caps They are designed to hang

They are designed to hang items like sheet metal and wiring from wooden structures

A float switch is a device used to sense the level of liquid within a tank

It features a spring loaded plunger

Suitable for the 5mm-15mm thick glass

nor directly connect the lamp

Freezer Tube Box 81 Places Rack for 1.8/2ml Microcentrifuge Tubes 6in1 Set Speaker Dust Caps They are designed to hangDescription: 1. Fit for 1. 8 2ml freezer tubes, 9x9 array, 81 Places. 2. Constructed of waterproof cardboard with a coating. 3. Inscribed with numbers for tracking tubes. 4. Keeps your freezer tubes firmly inside while the box is closed. 5. Widely used on holding laboratory freezer tubes or centrifuge tubes. Specification: Material: Waterproof Cardboard Overall Size: 133x133x50mm 5. 24*5. 24*1. 97 Inch (L*W*H) Hole Size: 12x12mm 0. 47*0. 47 Inch Hole