diff --git a/mods/ITEMS/REDSTONE/mesecons_pressureplates/init.lua b/mods/ITEMS/REDSTONE/mesecons_pressureplates/init.lua
index db08e81c7..b3d7a4de8 100644
--- a/mods/ITEMS/REDSTONE/mesecons_pressureplates/init.lua
+++ b/mods/ITEMS/REDSTONE/mesecons_pressureplates/init.lua
@@ -203,6 +203,19 @@ mesecon.register_pressure_plate(
 	{ player = true, mob = true },
 	S("A stone pressure plate is a redstone component which supplies its surrounding blocks with redstone power while a player or mob stands on top of it. It is not triggered by anything else."))
 
+mesecon.register_pressure_plate(
+	"mesecons_pressureplates:pressure_plate_polished_blackstone",
+	S("Polished Blackstone Pressure Plate"),
+	{"mcl_blackstone_polished.png"},
+	{"mcl_blackstone_polished.png"},
+	"default_stone.png",
+	nil,
+	{{"mcl_blackstone:blackstone_polished", "mcl_blackstone:blackstone_polished"}},
+	mcl_sounds.node_sound_stone_defaults(),
+	{pickaxey=1, material_stone=1},
+	{ player = true, mob = true },
+	S("A polished blackstone pressure plate is a redstone component which supplies its surrounding blocks with redstone power while a player or mob stands on top of it. It is not triggered by anything else."))
+
 mesecon.register_pressure_plate(
 	"mesecons_pressureplates:pressure_plate_gold",
 	S("Light-Weighted Pressure Plate"),
@@ -213,5 +226,18 @@ mesecon.register_pressure_plate(
 	{{"mcl_core:gold_ingot", "mcl_core:gold_ingot"}},
 	mcl_sounds.node_sound_metal_defaults(),
 	{pickaxey=1},
-	{ player = true, mob = true },
-	S("A light-weighted pressure plate is a redstone component which supplies its surrounding blocks with redstone power while a player or mob stands on top of it. It is not triggered by anything else."))
+	nil,
+	S("A light-weighted pressure plate is a redstone component which supplies its surrounding blocks with redstone power while any movable object (including dropped items, players and mobs) rests on top of it."))
+
+mesecon.register_pressure_plate(
+	"mesecons_pressureplates:pressure_plate_iron",
+	S("Heavy-Weighted Pressure Plate"),
+	{"default_steel_block.png"},
+	{"default_steel_block.png"},
+	"default_steel_block.png",
+	nil,
+	{{"mcl_core:iron_ingot", "mcl_core:iron_ingot"}},
+	mcl_sounds.node_sound_metal_defaults(),
+	{pickaxey=1},
+	nil,
+	S("A heavy-weighted pressure plate is a redstone component which supplies its surrounding blocks with redstone power while any movable object (including dropped items, players and mobs) rests on top of it."))