From Brotato Wiki
Plank
Plank is a weapon that can be bought from the Shop. Weapons are primary damage dealers and most Characters can hold up to 6 weapons. This template has been deprecated in favor of Template:Weapon.
Usage: {{Weapon|type=melee}}
Type Sets
Weapons with same types gain set bonuses.
Explosive
(2)+5% Explosive Damage +5% Explosive Size(3)+10% Explosive Damage +10% Explosive Size
(4)+15% Explosive Damage +15% Explosive Size
(5)+20% Explosive Damage +20% Explosive Size
(6)+25% Explosive Damage +25% Explosive Size
Elemental
(2)+1 Elemental Damage(3)+2 Elemental Damage
(4)+3 Elemental Damage
(5)+4 Elemental Damage
(6)+5 Elemental Damage