Thomastik Belcanto Orchestra G String, D String - Set of 2 3/4 size orchestra double bass strings, rope core with chrome winding. - Model: BC64 - Size: 3/4 - String Type: Rope core, chrome winding - Application: For orchestra - Weight: 28.75 lbs (approx. 13 kg) Stored at home for a long time after use. Used frequently. Please check the condition in the photos. Please understand that these are used items before purchasing. Thank you for looking.