These will fit any 10mm
Saddle Rider offers Stainless Steel 304, Titanium, Aircraft Aluminum, Naval Brass, Carbon Fiber, and Silicon Nitride cello endpins in a variety of styles and lengths. Each cello endpin includes a rubber endpin cap. Note that the standard length for 10mm diameter cello endpins is 20 inches, Long cello endpins are 24 inches.