Item No HSP-104400 The HUDY Star-Box is a unique starter box designed for 1/10 & 1/8 nitro on-road cars; the ultimate star among all starter boxes on the market! This world¡¦s lowest, ultra-compact starter box design has a very light weight, only 575g / 1.27lb (w/o batteries). Uniquely designed support bracket recesses into the starter box to allow the starting wheel to be fully engaged. Adjustable backstops allow you to fit 1/10 and 1/8 on-road cars. Fits 1/10 on-road   Fits 1/8 on-road   The Star-Box has an ultra-cool stylish design and comes fully assembled, ready to use. The premium quality, long-life drive belt system runs off a powerful 775-type motor (with fan) which is powered by two standard-size 7.2V battery stick packs (not included). The CNC-machined aluminum housing has a high-quality black-coating for extra durability. Countersunk housing screws are recessed with surface to eliminate unwanted protrusions. An integrated switch for comfortable on/off switching is attached to a premium-quality wiring harness with extra-thick cables and quick-change fast-on connectors; no soldering required. The quick-change starter wheel system was designed to allow for fast & simple replacement of the starter wheel; only 3 screws! An integrated composite handle with ergonomic back cover allows for comfortable carrying.