Punchdown Extension Tool. Clamshell.

The Punchdown Tool Extension is designed to extend the reach of your punchdown tool, improving access and visibility when working in a recessed box or densely stacked cross connect block environment. Rugged, all steel, easy to use design. Gang two extensions together to double the length.
Features
Use in enclosures with stacked or layered modules
Use in tight/over-crowded work areas
Compatible with all industry standard tools using the Bayonet style (twist & lock) blade retention socket