COLLET SIZES ARE 6mm x 3 6.5mm x 1 7.5mm x 3 8mm x 1 8.5mm x 2 9mm x 1 9.5mm x 1 11.5mm x 2 12mm x 7 12.5mm x 3 13mm x 1 14mm x 1 14.5mm x1 15mm x 2 15.5mm x 1 16mm x 1 18.5mm x1 19mm x1 20mm x 2 PLEASE SEE PHOTOS FOR CONDITION