Weight	Base Power
Under 10kg Under 22lbs	20
10.1kg - 25kg 22.1lbs - 55lbs	40
25.1kg - 50kg 55.1lbs - 110lbs	60
50.1kg - 100kg 110.1lbs - 220lbs	80
100.1kg - 200kg 220.1lbs - 440lbs	100
Over 200kg Over 440lbs	120

Below are the Pokémon that get 120 power damage with Grass Knot/Low Kick used against them

No.	Pic	Name	Type 1	Type 2
#076		Golem
#095		Onix
#130		Gyarados
#143		Snorlax
#149		Dragonite
#208		Steelix
#226		Mantine
#248		Tyranitar
#249		Lugia
#297		Hariyama
#306		Aggron
#321		Wailord
#323		Camerupt
#362		Glalie
#375		Metang
#376		Metagross
#377		Regirock
#379		Registeel
#382		Kyogre
#383		Groudon
#384		Rayquaza
#389		Torterra
#450		Hippowdon
#464		Rhyperior
#473		Mamoswine
#476		Probopass
#483		Dialga
#484		Palkia
#485		Heatran
#486		Regigigas
#487		Giratina
#493		Arceus