Architectural bracelet links are all different. Including the clasp there are 11 links approximately measuring at the widest link 12mm x 27mm. All other links are smaller and in various propotions. 2 links are made in 9ct yellow gold with the clasp and all other links made in orthodontic steel. The thickness of all metal is .9mm. To fit a medium to small wrist. Approximately 190.5mm in an open flat length. Weight 3.9gms.