Stackable Connecting Lead, Model X engine models supplying the imperial-length counterpart to

supplying the imperial-length counterpart to the 300mm metric lead for inch-scaled bench setups

the drilled aluminum ball gives a lightweight contrast to steel and brass balls of the same size in pendulum period and momentum-transfer demonstrations

Greatly magnified Paramecium model reveals cilia arrangement

Twelve-inch black insulated 4mm-stackable lead with banana plugs at both ends

this nickel-plated steel set covers a full C-major scale at scientific pitch (C4 = 256Hz) in a 6

Stackable Connecting Lead, Model X engine models supplying the imperial-length counterpart toUsed in high current circuits where exposed plug pins are not acceptable, this 4mm stackable safety lead carries up to 12A through nickel plated split hollow pins on both ends.