Frazier tube= 5 (1.67mm): Total length: 7.6", Working end after bend: 4.5" Frazier tube= 6 (2mm): Total length: 7.6", Working end after bend: 4.5" Frazier tube= 7 (2.33mm): Total length: 7.6", Working end after bend: 4.5" Frazier tube= 8 (2.67mm): Total length: 7.6", Working end after bend: 4.5" Frazier tube= 9 (3mm): Total length: 7.6", Working end after bend: 4.5"