This is a 12oz Slimline Fuel Tank by Hayes. FEATURES: Blow molded tanks with no seams to leak Three nipple design with third nipple optional INCLUDES: One Tank One Klunk One Piece of Fuel Tubing One O-Ring One Fuel Nipple REQUIRES: Assembly SPECS: Capacity: 355ml (12oz) Height: 53mm (2.073") Width: 60mm (2.375") Length: 157mm (6.187") Weight: 79g (2.1oz) COMMENTS: None jmm 3/30/02 ir/kh