Available in sizes 1-3 (1&2 normally in stock) This is a good all round student crook. They work particularly well on Adler / Moennig instruments as well as Hueller and Kohlert. Same as supplied with Adler Bassoons. Silver plated as standard, Nickel plate is available to order. Can also be supplied in a deeper bend as supplied with Adler short reach instruments which is useful for younger players to reduce the reach and height of the Bassoon in relation to the playing position.