The Vehicle Inspection Systems Squirrel wheel safety device prevents potential wheel loss from loose nuts. The 10 stud version fits 22.5” wheels. The fitted device is in one piece and can be fitted in a minute. The Squirrel is lightweight and unaffected by impact, says the company. Additionally, it is resistant to temperature extremes, paint and most chemicals. No special tools are required and it can be used on rims with 24mm to 33mm nuts. The Squirrel provides a five year life expectancy and is reusable.