Stainless Steel Spring Wire Grade:201,202,304,304L,304ES,316,316L etc ... .3-7mm Finish:bright,soft, hard Packing:ciol Stainless Steel Spring WireProduct Instructions: 1) Grade: 201, 202, 301, 302, 304, 304L ... /T based on copy of B/L3) Quality assurance: Mill Test Certificate is supplied with shipment, third Party Inspection is acceptable ...