H280 Screw Bell with FREE Gard Deluxe Cordura Gig Bag! The Holton Farkas H180 and H280 Double French Horn is a free blowing horn with rich and resonant intonation. The bell and branches are made of a special brass alloy for a slightly darker coloring of tone with good projection. The Farkas H180 F Horn is an excellent orchestral horn with a dark sound and bright overtones. Featuring a yellow brass with nickel silver slides and a large throat bell, the H180 Double Horn is also available in a screw bell model as model H280.