FPS drop with wrench and other tools

[Awasp]

Everything was fine until lately. just recently my computer's FPS drops whenever im holding or seeing a wrench,paint can ,and sometimes seeing others. I tried to lower all of my settings to low but it didn't  do anything. can anyone help?

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[tails]

Dood the tools has to meny polygons foor ur pc!!1

[Awasp]

It just recently started to happen though.