wave washer 1) Size:M2.5-M64,No.6-1-1/4" 2) Standard:DIN, IFI, and NON STANDARD 3) Finish: black 4) Material:Carbon stee wave washer1) Size:M2.5-M64,No.6-1-1/4" 2) Standard:ANSI/ASME, DIN, BS, IFI, JIS ISO,GB and NON STANDARD 3) Finish: black4) Material:Carbon steel,stainless steel,brass