... .1-2.00mm characteristics: High precision Bass end sleeves/brass tube fitting Features:1) name:rivets, tubular rivets, brass rivets, brass pins2 ... 1.0mm- 20mm4) Technical Standard: DIN7340 Tubular rivet made from tube GB-975 Pipe type rivets 5) Management Certification:ISO9001:20006 ... , Electric Brush, Antenna, Electric Brush, etc. Copper end sleeves/brass tube fitting