Description PIN TYPE FOR WHICH DESIGNED: RESTORATIVE MATERIAL RETENTION PART NAME ASSIGNED BY CONTROLLING AGENCY: RIBBOND THM BONDABLE REINFORCEMENT RIBBON 0.18MM THICK, 2MM WIDE, 68CM LONG SPECIAL FEATURES: RIBBOND PREVENTS FRACTURE FAILURES IN DENTAL COMPOSITES AND ACRYLICS. IT IS TOUGH AND DURABLE. 68CM X 2MM.