|HUDY slot chassis weights perfectly fit into the chassis slots of most popular electric touring cars, including the XRAY T3. These extra weights – necessary for use with lightweight LiPo batteries – may be placed in the correct and lowest positions on the chassis. For use with battery packs with or without battery location ledges. Available in two different weights: 6g and 12g. The 6g weights are best used with LiPo packs that have battery chassis location ledges; the 6g weights may be located between the ledges. 2 pieces per package. CNC-machined from brass, black color powdered and laser engraved with the weight for instant identification.