US$ 18.00
brass collar
the next step up from the 1-ohm reference for low-resistance series-circuit and divider work
this insulated lead provides reliable bench-circuit connections between instruments
each plain-shanked for clamping or holding
Replacement Pulley for Magnetic Force Board Health & Genetics_Health & Genetics Models brass collarMagnetic base pulley with a 50mm ball bearing plastic wheel, snapping onto magnetic whiteboards or force boards for quick repositioning during classroom mechanics demonstrations.
US$ 18.00
US$ 32.50
US$ 19.50