Two-Way Copper Plug Key Switch with 4mm Terminals Material_Brass this 125mL translucent polyethylene wash

this 125mL translucent polyethylene wash bottle features a flexible delivery tube for targeted solvent application

The function of each rotary control is dynamically set by the system's software according to the specific needs of each lesson

3 glass features 10mL capacity with spout for small-volume chemistry and laboratory applications

3g nickel-plated steel balls on a red wood base

this cow digestive system model reveals ruminant anatomy

Two-Way Copper Plug Key Switch with 4mm Terminals Material_Brass this 125mL translucent polyethylene washTwo position copper plug key switch with 4mm terminals and two removable plugs, letting students route current down either branch of a circuit by choosing which slot the plug occupies.