Dodge Viper SRT 10 Letty's 1:24 scale Jada Diecast Model Car This Dodge Viper SRT 10 (Letty's) diecast model car featured in Fast & Furious is black & features working wheels, steering & opening doors, bonnet, boot. It is made by Jada & is 1:24 scale (approx. 18cm / 7.1in long).