12" Black Stackable Banana Connecting Lead, 10-Pack Subcategory_Entomology Supplies Aluminum-nickel-cobalt U-shape at 50 x

Aluminum-nickel-cobalt U-shape at 50 x 13 x 10mm with an 18mm pole gap

Built for medical and life-science teaching

For timing physics

drawing 6V AC for demagnetizing and AC or DC for magnetizing iron bars and strips

the candy-bar form letting students break each piece into smaller magnets that retain their own north and south poles

12" Black Stackable Banana Connecting Lead, 10-Pack Subcategory_Entomology Supplies Aluminum-nickel-cobalt U-shape at 50 xTen pack of 12 inch black insulated 4mm stackable leads, sized so an entire class can wire polarity coded patch runs into bench circuits without rotating short supply between groups.