Serpent S411 Weight Set in Brass
This weight set from Serpent is used to fine-tune the weight balance on the S411. The 20g and 12g are made to mount near the centreline of the car, close to the belt. There is also a 5g option. The weights are made for the Serpent 411 and there are holes in the chassis to mount. The set come in black anodised brass with two of the 5g and one each of the 12g and 20g included.
401433 Serpent S411 Weight Set Brass
Source: Serpent