Detachable Polypropylene Test Tube Holder Rack Hole for Tubes Light NumberOfItems:3 5 x Screw Back Stud

5 x Screw Back Stud Rivets(Head+Screw)

telecom device connecting to your external antenna

easy to read scale

crafts and other industries

a shunt needs to be connected in parallel with the ammeter (Current division in parallel circuit)

Detachable Polypropylene Test Tube Holder Rack Hole for Tubes Light NumberOfItems:3 5 x Screw Back StudFeatures: Made of polypropylene, durable and light weight, easy to carry. Fit for 13 to 16mm test tubes, round holes, hold 50 tubes. Economical and space saving rack for applications in lab or at home. 3 Layer, 2 slots, each layer has a direction, slide the shelves in from one side, the other side has a lip that stops it, fits very snug. Specifications: Material: Polypropylene (PP) Color: White, Light Blue Model: 50 hole Hole Diameter: 16mm Fit for: