Beautifully crafted 1971 Porsche 917 diecast model race car 1:18 scale Long Tail Martini #21 Le Mans by AUTOart. This is a very highly detailed 1971 Porsche 917 diecast model race car 1:18 scale Long Tail Martini #21 Le Mans by AUTOart. Every details are well put together. Great collectible or gift piece. 1971 Porsche 917 diecast model race car 1:18 scale Long Tail Martini #21 Le Mans by AUTOart is one of the best showcase model for any auto enthusiasts.