Plan: Ultra-light build robot armor limbs

Plan: Ultra-light build robot armor limbs is a plan in Fallout 76.

Location
Can be purchased from the following vendors:
 * Vendor bot Chad
 * Vendor bot Raider
 * Vendor bot Resin
 * Vendor bot Responder (only at Welch Station and Lewisburg Station)
 * Vendor bot Wallace

Unlocks
The plan unlocks crafting of the ultra-light build mod for robot arm and leg armor at an armor workbench.