Electrolysis Electrode, Material: Platinum, Sealed in glass tubes inserted securely in a rubber stopper, Fit standard electrolysis tubes, It has a rubber stopper No.1 with 18 gauge copper wire, Diameter: 0.75 cm, Length: 8.89 cm
This Polystyrene Rack Are Excellent Space Savers And Can Act As An Extra Pair Of Hands In The Lab, There Are 6 Holes To Hold Tubes, As Well As 6 Pins For Letting The Tubes Dry, Fits Test Tubes Up To 16Mm In Diameter, 6-Pin, Size: 6-Hole
Test Tube Rack with 15ml Plastic Tubes, Rack Set contains twelve 15ml screw top graduated plastic tubes and a brightly colored two tiered test tube stand