The size of the socket on the chestnut, for connecting walnuts and other components (such as adapters and extensions) that have a socket of the same size.

Male Drive

Male receptacle chestnuts, for connection with nuts and other components (e.g. adapters and extensions) that have a corresponding female receptacle of the same size.

The number of teeth on a chestnut refers to how many teeth are on the mechanism's gear. The more teeth there are, the less movement is needed for rotation.

It features an adjustable head that allows for angle direction adjustment and access to hard-to-reach work areas.