Drainage spades
With a drainage spade one digs narrow trenches for, among other things, fiber optics and irrigation.
For digging narrow trenches, a drainage spade or drainagespade is very suitable. A drainage spade is often used when digging trenches for fiber optic, irrigation and electrical cable. Drainage spades have a strong T-handle made of ash wood, hickory or fiberglass. A fiberglass handle is the strongest and virtually unbreakable. For many other digging jobs people also often use a digging shovel.