Hitbox

local UIS = game:GetService("UserInputService")
local Size = Vector3.new(5,5,5) --Change 2,2,2 to desired head size. Numbers represent (x,y,z).

coroutine.resume(coroutine.create(function()
game:GetService("RunService").RenderStepped:Connect(function()
    for k,v in next, game:GetService('Players'):GetPlayers() do
    if v.Character:FindFirstChild('Head') then
        local Head = v.Character.Head
        Head.Size = Vector3.new(2,1,1)
        Head.Size = Size
        game.Players.LocalPlayer.Character.Head.Size = Vector3.new(2,1,1)
    end
    end
end)
end))