Single Pulley with 2 Hooks, Heavy Duty Frame, 4.25 x 2" Manufacturer_Austerlitz Variety pack to help with

Variety pack to help with experiment of contrasting resistances and temperature

sized for hands-on Ohm's-law measurement and series-parallel comparison without rewiring between values

Color-coded spine and pelvis model differentiates cervical

supplying replacements when the originals lose loft or split during repeated charging cycles

the halter design keeping arms free for lab

Single Pulley with 2 Hooks, Heavy Duty Frame, 4.25 x 2" Manufacturer_Austerlitz Variety pack to help withAluminum bodied single pulley in a heavy duty 4. 25 inch metal frame with hooks at both ends and a centered 2 inch wheel, configurable as fixed or movable in compound setups.