Removing a stripped nut or bolt. If you have a bolt or nut that has the head stripped and can no longer grab it with a wrench or socket ,then the easy out type socket should help.These sockets are made just for Removing a stripped nut or bolt. There are a lot of company’s making these type of sockets and a wide range of prices.I have a Blue Point set from Snap On and a much cheaper set from Craftsman. Both work well. So if you need to remove a bolt or nut with a rounded head look for some type of easy out socket. Rounded nut or bolt removal tool.
WTBM123.
Now available at Metals4u.co.uk (https://www.metals4u.co.uk/Formarail-Handrail-System/1754/products.asp) Formarail® is a patent pending product which overcomes the problem of angle variations during installation and significantly reduces the number of parts needed. The Formarail® ball unit technology allows the rail to be positioned at varying gradients up to 45 degrees, making it easier and quicker to install. The ball unit is made from high quality ABS plastic, providing an excellent balance of tensile strength, impact and resistance to abrasions and extreme weather conditions.
This video shows an example Formarail handrail installation.