The Grove - Rivet Pack (30 PCS) is used for the mounting of the Grove module. For more detail, please refer to the datasheet in the DOCUMENTS Tab.
Rivet: Black-Plastic-R2048 x10
Rivet: Black-Plastic-R2056 x10
Rivet: Black-Plastic-R2064 x10
Dimension Diagram (Unit mm)
The figure below shows the dimension of the R2064. The other Rivets have the same dimensions as the ones, only the length is different.