300mm Stackable Connecting Lead, Model Z Subcategory_Dissection Equipment Heavy-duty spring-loaded three-finger jaw with

Heavy-duty spring-loaded three-finger jaw with dual-screw fine adjustment mounts on a swivel boss head accepting 18mm rods

Used to demonstrate field concentration across a small pole gap

dramatizing Coulomb repulsion and charge distribution on conductors

Needle valve and flame stabilizer add precision control to this nickel-plated micro Bunsen burner running on natural gas for small-flame work

Bull frog dissection model with open back reveals vertebral column

300mm Stackable Connecting Lead, Model Z Subcategory_Dissection Equipment Heavy-duty spring-loaded three-finger jaw withStandard length 300mm black 4mm stackable safety lead rated to 12A with shrouded nickel plated pins, sized for higher current branched bench wiring than 2mm leads can carry.