The size of the socket available on the nut, for connection with a socket of the same size, in chestnut, wrench or air tool.

Square

Walnuts made of hardened metal, resistant to vibrations or impacts during work. They are suitable for demanding tasks and for use with air tools.

It features an adjustable arm that helps access hard-to-reach areas.

It has a magnet in the head socket, which helps to hold the screw or bolt.

Walnuts with a narrow design, allowing for screwing screws and bolts in hard-to-reach areas.