Two-Way Copper Plug Key Switch with 4mm Terminals Material_Brass and Android devices up to

and Android devices up to 4 inches wide for hands-free desktop viewing

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

supporting medical and health-science teaching

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

sized for high-turn-count solenoids and transformers where the wire needs to wrap many times around a small core

Two-Way Copper Plug Key Switch with 4mm Terminals Material_Brass and Android devices up toTwo 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.