... : 1#, 3#, 5#, 6#, 8#,11#,13#,15# Flared copper ringSpecification: flared copper ringPackaging: 1000/bottleColor: 1#, 3#, 5#, 6#, 8#,11 ... ×6.0mm2.8×2.3×7.0mmNumber rule: outer diameter ×inner diameter ×length(unit mm0Other information: matching with micro pilers and ...