The below links contain scans of the DCN Balance Staff catalogue.
The majority of these staffs are for sale on this website, you can use this document to double check sizes to ensure that you have the correct part.
DCN Balance Staffs Pages 1 – 10 (DCN No. 1 – 365)
DCN Balance Staffs Pages 11 – 20 (DCN No. 366 – 738)
DCN Balance Staffs Pages 21 – 30 (DCN No. 739 – 1083)
DCN Balance Staffs Pages 31 – 40 (DCN No. 1083 – 1429)
DCN Balance Staffs Pages 41 – 50 (DCN No. 1430 – 1759a)