Best prices on Holton steel in Orchestral Instruments. Check out BizRate for great deals on Orchestral Instruments from Holton. Use BizRate's latest online shopping features to compare prices for Holton steel. Read product specifications, calculate tax and shipping charges, sort your results, and buy Musical Instruments & Accessories with confidence. Easily narrow your search and find the product that's perfect for you: Holton H378 Intermediate Double French Horn - Holton TR690.