Magnetic helping Hands

This was my fathers day gift, I thought it was worthy of a review.
Magnetic helping hands: www.ebay.com/itm/204780230516
Resources:
www.fpvknowitall.com/
www.racedayquads.com/
www.getfpv.com/
pyrodrone.com/
www.tmotor.shop/
www.foxeer.com/