Plank (Unstable Foundations)

Plank (Unstable Foundations) was removed from RuneScape after an update, but still exists in-game for those who had obtained it.

Plank
Detailed
Release	17 September 2009 (Update)
Members	No
Members	No
Quest item	Unstable Foundations
Quest item	Unstable Foundations
Tradeable	No
Tradeable	No
Bankable	No
Bankable	No
Equipable	No
Equipable	No
Stackable	No
Stackable	No
Disassembly	N/A
Disassembly	N/A
Value	1 coin
Value	1 coin
Alchemy	Not alchemisable
Alchemy	Not alchemisable
Destroy	Drop (Sir Vant interrupts and says "Perhaps you shouldn't throw that away")
On death	Reclaimable
On death	Reclaimable
Reclaim	1
Reclaim	1
Sacrifice	4
Sacrifice	4
Exchange	Not sold
Weight	0.001 kg
Examine	A large plank of wood.

A plank was used in the old tutorial, Unstable Foundations, specifically the part where the dragon had to be drugged - the plank would be picked up from the floor, to create a ramp allowing the player to reach the dragon's food bowl and put the drugged meat in it.