f840b160_ting_Guide___Full_Recipes_List__Ingredients
[Name] Weighted Pressure Plates [Description] Similar to a normal pressure plate, but can only be activated by items. The number of items determines the strength of the signal. Comes in two versions, a light (gold) and a heave (iron). [Ingredients] 
Iron Ingots or Gold
Minecraft Crafting Guide | Full Recipes List
Ingredients