Item Name: 4 Piece Brass Wheel counterweights Wheel for Axial SCX24 90081 RC Crawler Car Auto. Product Description4Stck Brass Wheel Counterweights Rad fr Axial SCX24 90081 RC Crawler Car AutoDescription:lMade of high quality brass material, anti-rust, sturdy and durablelEasy to install, replace the original one directlylHelp to lower the vehicles center of gravity, increase its stabilitylReduce the chance for flipping backwards, and make for an overall more capable crawlerlNice parts to upgrade your RC car and improve its performanceSpecification:lMaterial: BrasslSize: Approx. 21*21*8MMlWeight: About 40glApplicable Model: forAxialSCX2490081/SCX24AXI90081lPackage:l4pcs/set x Wheel Counterweights