Adjustable Metal Pulley Clamp Subcategory_Temperature and Heat the lower-cost benchtop alternative to

the lower-cost benchtop alternative to the full-meter resistivity boards for quantitative R = rho*L/A and material-comparison investigations

Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17

levitating above one another when oriented with like poles facing

One-microfarad electrolytic capacitor in an ABS module with 4mm sockets

using metal bearings to minimize friction in uniform-acceleration and Newton's-second-law work

Adjustable Metal Pulley Clamp Subcategory_Temperature and Heat the lower-cost benchtop alternative toAdjustable clamp pulley with a 2 inch metal sheave that rotates fully through 9 inches of height adjustment, supporting flexible mounting across varied experimental setups.