1) Size: M3-M76 2) Type:flat,square,slotted,cup washer 3)Finish: Zinc Clear, Zinc Yellow, Black,galvanized, ... - plating, Dacromet,Mechanical Galvanizing, Hot-dip Galvanizing.etc.5) Shape: round , square , curved , taper, cup, bowl or according to your request ... the market11)Accept moq for trial order12)Quick delivery time Slotted Washer