500mm Connecting Lead with Crocodile Clips Both Ends, Black, 4mm Plug Racks & Stands_Test Tube Racks Mid-sized brass cylinder on an

Mid-sized brass cylinder on an ebonite-insulated base

One-meter black insulated lead with 4mm banana plugs and 16mm metal terminal tips at each end

the largest value in the demonstrator line for slow RC charging and high-energy capacitor-discharge work

demonstrating Lenz's law through asymmetric induced-current behavior

Heavy-duty cardboard storage carries this 4 x 1

500mm Connecting Lead with Crocodile Clips Both Ends, Black, 4mm Plug Racks & Stands_Test Tube Racks Mid-sized brass cylinder on an500mm black insulated lead with crocodile clips at both ends, sized for the longer reach when students wire across a bench between power supply, multimeter, and the test apparatus.