2 supported household-product notices found in official CPSC data.
Skil®
Hazard: The trigger switch on the circular saw can be locked on or the switch can be turned on without the use of the safety lock-out. This can cause unexpected operation of the saw, posing a risk of laceration.
Skil®
Hazard: The blade drive mechanism may loosen or the motor can separate from the tool. Loosening of the blade drive mechanism can result in kickback of the item being sawed, resulting in possible laceration. Motor unit separation can cause the coasting saw blade to damage the saw wiring resulting in possible electric shock, or the separated motor could strike the user and cause injury.