12" Connecting Lead with Alligator Clip and 4mm Plug, Black Science at Home_Chemical Science Designed to recharge the cells

Designed to recharge the cells used in laboratory apparatus

Tandem double plastic pulley pairing 38mm and 50mm low-friction wheels on an open-sided steel frame

this insulated lead pairs a 4mm banana plug at one end with a crocodile clip at the other for flexible patch wiring

Square-topped wooden screw simple-machine model with a leverage block

paired with the 750mm black lead to keep wiring color-coded across mid-distance bench setups

12" Connecting Lead with Alligator Clip and 4mm Plug, Black Science at Home_Chemical Science Designed to recharge the cellsPlug to clip 12 inch black lead combining a 4mm banana plug at one end with an alligator clip at the other, bridging instrument panels to bare wire components without rewiring.