This is the Replacement 75cc Fuel Tank for the Nitro ST-15 from Tower Hobbies. This mounts to the chassis with two screws and holds the fuel to run the truck. FEATURES: Spring loaded primer button Clear plastic construction Red plactic spring-loaded flip-top cap INCLUDES: One 75cc fuel tank (Key# 23) REQUIRES: Standard fuel line, use GPMQ4131. Two 3x10mm self tapping screws for mounting. SPECS: Length: 61mm (2.4") Width: 43mm (1.7") Height: 69mm (2.7")(including cap and mounting posts) COMMENTS: This tank can be used on other 1/10 scale vehicles. tjt 1/31/01 ir/jl