DIN127 1.Material:Carbon steel,stainless 2.Size:M6-M22 3.Surface:black.zinc plated... SPRING WASHER DIN1271, Material: A3.35H.45H2, Size: M6-M223, Surface: plain, black oxide, zinc plated,4. Packing: plastic bag in box, boxes in per carton, pallet.5. Delivery time: 30days-45days after order confirmation.6. All of the products can be produced by customers' requirements. Spring Washer DIN127