This is an optional E-flite Apprentice S Float Set. The E-flite Apprentice S floats are a great option that adds even more excitement to your RC flight experience. This lightweight, molded Z-Foam material float set includes everything needed to complete the floatplane conversion. Assembly and installation takes only minutes, and that's including the connection of a functional water rudder. The rugged wire struts assure the proper stance on the water so that tracking is always smooth and takeoffs are as easy as possible. Features: Floatplane conversion takes only minutes to complete Durable Z-Foam construction Matching finish and trim scheme Mounting hardware included with pre-bent wire struts Attaches to factory-installed mounts Lightweight design with efficient hull shape Steerable water rudder with spring suspension included Specifications:Length: 32.4" (820mm)Weight: 11.5oz (326g)