Reach script for tools

local x = 1
local y = 10
local z = 30

for i,v in pairs(game:GetService("Players").LocalPlayer.Character:GetChildren()) do
    if v.ClassName == "Tool" then
        local reach = Instance.new("SelectionBox", v.Handle)
        reach.Adornee = v.Handle
        v.Handle.Size = Vector3.new(x, y, z)
    end
end