The size of the socket available on the chestnut, for connection with walnuts and other accessories (such as adapters and extensions) that have a socket of corresponding size.
Adjustable: It features an adjustable head, allowing for the adjustment of the direction angle and access to hard-to-reach work areas.
Telescopic: It has an arm that can be extended, allowing you to screw screws and bolts in distant places.
Double: Chestnut with 2 different sockets for walnuts.
Female Head Style: Female chestnut connector, for connecting with nuts and other components (e.g. adapters and extensions) that have a corresponding male connector of the same size.
The number of teeth of a chestnut refers to how many teeth exist in the mechanism's gear. The more teeth there are, the less movement is required for rotation.
