Detector Rail
minecraft:detector_rail
A placeable block. Obtained by crafting, in loot chests (Abandoned Mineshaft).
How to get it
Crafting 
→ 6
6 Detector Rail
📦 Found in chests
Abandoned Mineshaft
minecraft:detector_rail
A placeable block. Obtained by crafting, in loot chests (Abandoned Mineshaft).
6 Detector Rail