The Traxxas 3930 BulkHead Cross Braces are designed for T-Maxx 3.3, 2.5, and .15 scale vehicles, providing additional strength and support to the chassis. Made by Traxxas, a trusted brand in the RC industry, these cross braces are compatible with cars, trucks, and motorcycles. Suitable for both nitro and glow fuel as well as electric vehicles, these bulkhead cross braces are a reliable upgrade for hobbyists aged 12 and up. With the option to combine shipping and save $1.29 on each additional item, this product offers both quality and convenience for RC enthusiasts in the USA.