Nylon Lock hex nuts with zinc plated 1,Products DetailesMaterial1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, ... 7 days free of charge if there is available tool for us.Lead time10-15 working days as usual,It ... have 18 month warranty.Aftersales servicewe will follow up goods for every customer and help solve problem after sales. 2,Factory ... Feedback and Evaluation 8,We are the best Choice for yr