Resently serviced - chemical and ultrasonic cleaned, polished, oiled and grease.
Play fantastic.
"The Caravelle line was managed by Don E. Getzen, who split off from the main family-owned Elkhorn, WI factory to open DEG Music Products in nearby Lake Geneva. The Caravelle slide features a .490" tight small bore. It requires less air volume, it produces a punchy, quick-responding, and bright upper register that makes it highly popular for jazz players and younger students."