1.Material:Chrome steel;Carbon stell etc,According to the requirements of clients 2.Quality authentication ISO Greese/OilAs you requirement, such as SRL ,PS2, Alvania R12 and so onModelLM40UURing MaterialChrome Steel ,Carbon steel,Stainless steelTolerance gradeGB/T307.1-205ID Size10mm~1000mmQuality standardISO 9001:2000 standardPrecisionP0,P6,P5Steel pressed cageBending claw form or rivet ...