4mm Connecting Lead, Model B Base_Octagonal each plain-shanked and frequency-labeled

each plain-shanked and frequency-labeled

Optically worked

the optical-grade body delivering cleaner refraction angles than acrylic peers for precision Snell's law work

Teaches proper brushing technique through a 3x life-size jaw model with gums and oversized toothbrush

Two independent output channels on this compact AC/DC power supply deliver six selectable voltages up to 12V at 500 mA each

4mm Connecting Lead, Model B Base_Octagonal each plain-shanked and frequency-labeledUsed as a basic 4mm plug to plug patch wire, this insulated lead provides reliable bench circuit connections between instruments, components, and student built apparatus.