This wheel features a durable foam filled rubber tire, with a 10mm (3/8") shank. Used but in very good condition. Note the seller is in Metchosin but can connect in Langford or Colwood. For reference: www.thesoundpost.com/en/store/accessories/bass/wheel?srsltid=AfmBOopqPFUbHN8CtesUVsM72C-TNJYD6r03_WcQHC-USf15-dEztUY6